June 26, 2019 - Offered by Senators Hansen, Schachtner, Shilling, Bewley,
Miller, Ringhand, Erpenbach, Johnson, Carpenter, Risser, L. Taylor,
Larson, Wirch and Smith.
AB56-SA6,1,21 At the locations indicated, amend the bill, as shown by assembly substitute
2amendment 1, as follows:
AB56-SA6,1,3 31. Page 1, line 3: before that line insert:
AB56-SA6,1,5 4 Section 1b. 3.002 (intro.) and (1m) of the statutes are consolidated,
5renumbered 3.002 and amended to read:
AB56-SA6,1,9 63.002 Description of territory. In this chapter: (1m) Reference, reference
7to any county or municipality means that county or municipality as its boundaries
8exist on April 1 of the year of the federal decennial census on which the districting
9plan described under subch. II is based
.
AB56-SA6,1c 10Section 1c. 3.002 (2) of the statutes is repealed.
AB56-SA6,1d 11Section 1d. 3.004 (2) of the statutes is amended to read:
AB56-SA6,2,312 3.004 (2) “Ward" means a ward prescribed by a municipality based upon
13municipal boundaries in effect on April 1 of the year of the federal decennial census

1in accordance with the most recent revision of municipal wards under s. 5.15 upon
2which the districting plan described under subch. II is based
and used in preparing
3congressional and legislative redistricting plans as required under s. 4.005
.
AB56-SA6,1e 4Section 1e. Subchapter I of chapter 4 [precedes 4.001] of the statutes is
5repealed and recreated to read:
AB56-SA6,2,66 CHAPTER 4
AB56-SA6,2,77 subchapter i
AB56-SA6,2,98 general provisions
9and redistricting
AB56-SA6,2,10 104.001 Definitions. In this chapter, unless the context requires otherwise:
AB56-SA6,2,11 11(1) “Block" has the meaning given in s. 5.02 (1q).
AB56-SA6,2,13 12(2) “Commission" means the redistricting advisory commission established
13under s. 13.49.
AB56-SA6,2,15 14(3) “Plan" means a plan for legislative and congressional reapportionment
15prepared under this subchapter.
AB56-SA6,2,17 16(4) “Political subdivision" means a city, town, village, or county within this
17state.
AB56-SA6,2,18 18(5) “Section 2 of the Voting Rights Act" means 42 USC 1973.
AB56-SA6,2,21 19(6) “Ward" means a municipal ward in effect on April 1 of the year of the federal
20decennial census and used in preparing congressional and legislative redistricting
21plans as required under s. 4.005.
AB56-SA6,2,24 224.002 Political subdivision boundaries. In this chapter, reference to any
23political subdivision means that political subdivision as its boundaries exist on April
241 of the year of the federal decennial census.
AB56-SA6,3,4
14.003 Legislative districts established. This state is divided into 33 senate
2districts, each composed of 3 assembly districts. Each senate district may elect one
3member of the senate. Each assembly district may elect one representative to the
4assembly.
AB56-SA6,3,8 54.004 Preparations for redistricting. (1) The legislative reference bureau
6shall acquire appropriate information, review and evaluate available facilities, and
7develop programs and procedures in preparation for drawing congressional and
8legislative redistricting plans on the basis of each federal decennial census.
AB56-SA6,3,13 9(2) By December 1 of the year of the decennial federal census, the legislative
10reference bureau shall obtain from the U.S. bureau of the census information
11regarding geographic and political units in this state for which federal census
12population data has been gathered and will be tabulated. The legislative reference
13bureau shall use the information to do all of the following:
AB56-SA6,3,1614 (a) Prepare necessary descriptions of geographic and political units for which
15census data will be reported and that are suitable for use as components of legislative
16districts.
AB56-SA6,3,1917 (b) Prepare maps of geographic and political units within the state that may
18be used to illustrate the locations of district boundaries proposed in plans prepared
19in accordance with s. 4.007.
AB56-SA6,4,4 20(3) As soon as possible after receiving from the U.S. bureau of the census the
21population data needed for legislative redistricting that the U.S. bureau of the
22census is required to provide this state under P.L. 94-171, the legislative reference
23bureau shall use that data to assign a population figure based upon certified federal
24census data to each geographic or political unit described under sub. (2) (b). The
25legislative reference bureau shall prepare and publish an analysis describing the

1population of current legislative and congressional districts and the extent to which
2the districts may violate the standards under s. 4.007. Upon satisfying these
3requirements, the legislative reference bureau shall begin the preparation of
4congressional and legislative redistricting plans as required under s. 4.006.
AB56-SA6,4,8 5(4) None of the 4 selecting authorities, as defined in s. 13.49 (1) (b), may assign
6or hire any person to work with the legislative reference bureau to prepare for
7redistricting under this section, to prepare plans under s. 4.006, or to oversee either
8process.
AB56-SA6,4,15 94.005 Use of municipal ward plans. After receipt of a division ordinance or
10resolution under s. 5.15 (4) (b), the legislative reference bureau shall use the data
11obtained from the U.S. bureau of the census under s. 4.004 (3) to assign a population
12figure based upon certified federal census data to each ward established in the
13division ordinance or resolution. The legislative reference bureau shall use each
14ward to which a population figure is assigned in preparing congressional and
15legislative redistricting plans as required under s. 4.006.
AB56-SA6,4,25 164.006 Preparation of redistricting plans. (1) Not later than January 1 of
17the 2nd year following the decennial federal census, the legislative reference bureau
18shall deliver to the majority leader of the senate and speaker of the assembly
19identical bills creating plans of legislative and congressional redistricting, prepared
20in accordance with s. 4.007. Either the assembly or the senate shall bring the bill to
21a vote expeditiously, but not less than 7 days after the commission report under s.
2213.49 (3) (d) 2. is received and made available to the members of the legislature. The
23vote shall be under a procedure or rule permitting no amendments. If the bill is
24approved by the first house in which it is considered, the bill shall expeditiously be
25brought to a vote in the 2nd house under a similar procedure or rule.
AB56-SA6,5,15
1(2) If neither of the bills delivered by the legislative reference bureau under
2sub. (1) is approved by both the assembly and the senate, the chief clerk of the house
3that failed to approve the bill shall immediately transmit to the legislative reference
4bureau information which that house may direct regarding reasons why the plan was
5not approved. The legislative reference bureau shall prepare identical bills
6embodying a 2nd plan of legislative and congressional redistricting prepared in
7accordance with s. 4.007, taking into account the reasons transmitted to the
8legislative reference bureau under this subsection insofar as it is possible to do so
9within the requirements of s. 4.007. The legislative reference bureau shall deliver
10the bills to the majority leader of the senate and the speaker of the assembly no later
11than 21 days after the date of the vote by which the senate or the assembly failed to
12approve the bill submitted under sub. (1). Any bill delivered by the legislative
13reference bureau under this subsection shall be expeditiously introduced and
14brought to a vote not less than 7 days after the date of introduction, in the same
15manner as prescribed for the bill required under sub. (1).
AB56-SA6,6,2 16(3) If neither of the bills delivered by the legislative reference bureau under
17sub. (2) is approved by both the assembly and the senate, the same procedure as
18prescribed by sub. (2) shall be followed. If a 3rd plan is required under this
19subsection, the legislative reference bureau shall deliver the bills to the majority
20leader of the senate and the speaker of the assembly no later than 21 days after the
21date of the vote by which the senate or the assembly failed to approve the bill
22submitted under sub. (2). Any bill delivered by the legislative reference bureau
23under this subsection shall be expeditiously introduced and brought to a vote not less
24than 7 days after the date of introduction and shall be subject to amendment in the
25same manner as other bills. Any bill delivered under this subsection, and any

1amendment to such a bill, may be passed only with the approval of three-fourths of
2all the members elected in each house.
AB56-SA6,6,3 3(4) Notwithstanding subs. (1) to (3):
AB56-SA6,6,134 (a) If certified federal census data that is sufficient to permit preparation of a
5congressional redistricting plan becomes available at an earlier time than the
6population data needed to permit preparation of a legislative redistricting plan in
7accordance with s. 4.007, the legislative reference bureau shall so inform the
8majority leader of the senate and the speaker of the assembly. If the majority leader
9of the senate and the speaker of the assembly jointly direct, the legislative reference
10bureau shall prepare a separate bill establishing congressional districts and deliver
11it separately from the bill establishing legislative districts. The legislature shall
12proceed to consider the congressional redistricting bill in substantially the manner
13prescribed by subs. (1) to (3).
AB56-SA6,6,2314 (b) If the population data for legislative redistricting that the U.S. bureau of
15the census is required to provide this state under P.L. 94-171 and, if used by the
16legislative reference bureau, the corresponding topologically integrated geographic
17encoding and referencing data file for that population data are not available to the
18legislative reference bureau on or before April 1 of the first year following the
19decennial federal census, the deadlines set forth in this section shall be extended by
20a number of days equal to the number of days after April 1 of the first year following
21the decennial federal census that the population data and the topologically
22integrated geographic encoding and referencing data file for legislative redistricting
23become available.
AB56-SA6,7,2 244.007 Redistricting standards. (1) Legislative and congressional districts
25shall be established on the basis of population requirements imposed under the

1Wisconsin Constitution and the U.S. Constitution and requirements imposed under
2Section 2 of the Voting Rights Act.
AB56-SA6,7,14 3(2) Senate and assembly districts, respectively, shall satisfy the population
4standards established in this subsection. The quotient, obtained by dividing the sum
5of the absolute values of the deviations of all district populations from the applicable
6ideal district population by the number of districts established, may not exceed 1
7percent of the applicable ideal district population, unless necessary to maintain
8compliance with Section 2 of the Voting Rights Act. For purposes of this subsection,
9the ideal district population is determined by dividing the population of the state
10reported in the most recent federal decennial census by the number of districts to be
11established. No senate district may have a population that exceeds that of any other
12senate district by more than 10 percent and no assembly district may have a
13population that exceeds that of any other assembly district by more than 10 percent,
14unless necessary to maintain compliance with Section 2 of the Voting Rights Act.
AB56-SA6,7,20 15(3) Congressional districts shall each have a population as nearly equal as
16practicable to the ideal district population, derived as prescribed in sub. (2), while
17maintaining compliance with Section 2 of the Voting Rights Act. No congressional
18district may have a population which varies by more than 1 percent from the
19applicable ideal district population, unless necessary to comply with Section 2 of the
20Voting Rights Act.
AB56-SA6,8,3 21(4) District boundaries shall coincide with ward boundaries and, to the extent
22consistent with sub. (1), shall coincide with the boundaries of political subdivisions.
23The number of political subdivisions divided among more than one district shall be
24as small as possible. When there is a choice among political subdivisions to divide,
25the more populous political subdivisions shall be divided before the less populous,

1except that this requirement does not apply to a legislative district boundary drawn
2along a county boundary that passes through a city with territory in more than one
3county.
AB56-SA6,8,5 4(5) Districts shall be composed of convenient contiguous territory. Areas that
5meet only at the points of adjoining corners are not contiguous.
AB56-SA6,8,9 6(6) Districts shall not be drawn with the intent or result of denying or abridging
7the equal opportunity of racial or language minorities to participate in the political
8process or diminishing their ability to elect representatives of their choice, whether
9by themselves or by voting in concert with other persons.
AB56-SA6,8,10 10(7) (a) In this subsection:
AB56-SA6,8,1911 1. “Geographic unit center" means that point within a population data unit
12approximately equidistant from the northern and southern extremities and also
13approximately equidistant from the eastern and western extremities of the
14population data unit. This point shall be determined by visual observation of a map
15of the population data unit, unless it is otherwise determined within the context of
16an appropriate coordinate system developed by the federal government or another
17source that the legislative reference bureau determines is qualified and objective and
18is obtained for use in this state with prior approval of the joint committee on
19legislative organization.
AB56-SA6,8,2320 2. “Population data unit" means a ward, census enumeration district, block, or
21other unit of territory having clearly identified geographic boundaries and for which
22a total population figure is included in or can be derived directly from certified
23federal census data.
AB56-SA6,9,424 3. “X-coordinate" means the relative location of a point along the east–west
25axis of the state. Unless otherwise measured within the context of an appropriate

1coordinate system obtained for use as permitted by subd. 1., the x-coordinate shall
2be measured along a line drawn due east from a due north and south line running
3through the point which is the western extremity of this state, to the point to be
4located.
AB56-SA6,9,105 4. “Y-coordinate" means the relative location of a point along the north–south
6axis of the state. Unless otherwise measured within the context of an appropriate
7coordinate system obtained for use as permitted by subd. 1., the y-coordinate shall
8be measured along a line drawn due south from a due east and west line running
9through the point that is the northern extremity of this state, to the point to be
10located.
AB56-SA6,9,1711 (b) To the extent consistent with subs. (1) to (3), districts shall be compact in
12form. Compact districts are those that are square, rectangular, or hexagonal in
13shape to the extent permitted by natural or political boundaries. When it is
14necessary to compare the relative compactness of 2 or more districts, or of 2 or more
15alternative redistricting plans, the tests prescribed by pars. (c) and (d) shall be used.
16Should the results of these 2 tests be contradictory, the standard under par. (c) shall
17be given greater weight than the standard under par. (d).
AB56-SA6,9,2018 (c) 1. The compactness of a district is greatest when the length of the district
19and the width of the district are equal. The measure of a district's compactness is
20the absolute value of the difference between the length and the width of the district.
AB56-SA6,9,2521 2. In measuring the compactness of a district by means of electronic data
22processing, the difference between the x-coordinates of the easternmost and the
23westernmost geographic unit centers included in the district shall be compared to the
24difference between the y-coordinates of the northernmost and southernmost
25geographic unit centers included in the district.
AB56-SA6,10,14
13. To determine the length and width of a district by manual measurement, the
2distance from the northernmost point or portion of the boundary of a district to the
3southernmost point or portion of the boundary of the same district and the distance
4from the westernmost point or portion of the boundary of the district to the
5easternmost point or portion of the boundary of the same district shall each be
6measured. If the northernmost or southernmost portion of the boundary, or each of
7these points, is a part of the boundary running due east and west, the line used to
8make the measurement required by this subdivision shall be drawn either due north
9and south or as nearly so as the configuration of the district permits. If the
10easternmost or westernmost portion of the boundary, or each of these points, is a part
11of the boundary running due north and south, a similar procedure shall be followed.
12The lines to be measured for the purpose of this subdivision shall each be drawn as
13required by this subdivision, even if some part of either or both lines lies outside the
14boundaries of the district that is being tested for compactness.
AB56-SA6,10,2015 4. The absolute values computed for individual districts under this paragraph
16may be cumulated for all districts in a plan in order to compare the overall
17compactness of 2 or more alternative redistricting plans for the state or for a portion
18of the state. However, it is not valid to cumulate or compare absolute values
19computed using the measurements under subd. 2. with those computed using the
20measurements under subd. 3.
AB56-SA6,10,2321 (d) 1. The compactness of a district is greatest when the ratio of the dispersion
22of population about the population center of the district to the dispersion of
23population about the geographic center of the district is one to one.
AB56-SA6,11,924 2. The population dispersion about the population center of a district or about
25the geographic center of a district is computed as the sum of the products of the

1population of each population data unit included in the district multiplied by the
2square of the distance from the geographic unit center of that population data unit
3to the population center or the geographic center of the district, as the case may be.
4The geographic center of the district is defined by averaging the locations of all
5geographic unit centers that are included in the district. The population center of
6the district is defined by computing the population–weighted average of the
7x-coordinates and y-coordinates of each geographic unit center assigned to the
8district, it being assumed for the purpose of this calculation that each population
9data unit possesses uniform density of population.
AB56-SA6,11,1210 3. The ratios computed for individual districts under this paragraph may be
11averaged for all districts in a plan in order to compare the overall compactness of 2
12or more alternative redistricting plans for the state or for a portion of the state.
AB56-SA6,11,19 13(8) In preparing any redistricting plan, the legislative reference bureau shall
14be strictly nonpartisan. No district may be drawn for the purpose of favoring a
15political party, incumbent legislator or member of Congress, or other person or group
16or, except to the extent required under sub. (1), for the purpose of augmenting or
17diluting the voting strength of a language or racial minority group. Except as
18provided in sub. (10), in establishing districts, no use shall be made of any of the
19following data:
AB56-SA6,11,2020 (a) The residence addresses of incumbent legislators or members of Congress.
AB56-SA6,11,2121 (b) Political affiliations of registered voters.
AB56-SA6,11,2222 (c) Previous election results.
AB56-SA6,11,2423 (d) Demographic information except as necessary to meet the requirements of
24subs. (1) and (10).
AB56-SA6,12,9
1(9) The number of assembly districts in any redistricting plan may not be less
2than 54 nor more than 100. The number of senate districts in any redistricting plan
3may not be more than one-third nor less than one-fourth of the number of assembly
4districts. Each senate district shall contain only whole assembly districts. Except
5as otherwise provided in this subsection, to the extent possible, each congressional
6district shall contain only whole senate districts. The other standards specified in
7this section shall take precedence where a conflict arises between those standards
8and the requirement of including only whole senate districts within a congressional
9district.
AB56-SA6,12,15 10(10) In preparing any redistricting plan, the legislative reference bureau shall
11test the efficiency gap and competitiveness of each district and make the test results
12available to the public, including publishing the results on its Internet site, no later
13than 72 hours prior to the first public hearing on the proposed plan. The legislative
14reference bureau may use the data described under sub. (8) (b) to (d) to perform the
15tests under this subsection.
AB56-SA6,12,17 164.008 Required provisions in redistricting bills. Each bill delivered under
17s. 4.006 shall provide all of the following:
AB56-SA6,12,19 18(1) That, wherever territory is described in the bill by geographic boundaries,
19the following conventions are used:
AB56-SA6,12,2120 (a) Each bound continues to the intersection with the bound next named, or to
21the intersection with a straight-line extension of such bound.
AB56-SA6,12,2322 (b) If the bound is a street, it follows the center line of the street or the center
23line of the street extended.
AB56-SA6,12,2524 (c) If the bound is a railroad right-of-way, it follows the center line of the
25railroad right-of-way.
AB56-SA6,13,2
1(d) If the bound is a river or stream, it follows the center of the main channel
2of such river or stream.
AB56-SA6,13,33 (e) If the bound follows a municipal boundary, it coincides with such boundary.
AB56-SA6,13,7 4(2) That the bill first applies, with respect to regular elections, to offices filled
5at the next occurring general election after the bill takes effect and, with respect to
6special or recall elections, to offices filled or contested on or after the date of that
7general election.
AB56-SA6,13,18 84.0085 Challenge based on population inequality; burden of proof. If
9an action is brought challenging a legislative redistricting plan under this
10subchapter on the basis of an excessive population variance among senate or
11assembly districts established in the plan, the legislature has the burden of
12justifying any variance in excess of 10 percent between the population of a senate or
13assembly district and the applicable ideal district population. If an action is brought
14challenging a congressional redistricting plan under this subchapter on the basis of
15an excessive population variance among congressional districts established in the
16plan, the legislature has the burden of justifying any variance in excess of 1 percent
17between the population of a congressional district and the applicable ideal district
18population.
AB56-SA6,1f 19Section 1f. 5.15 (4) (a) of the statutes is amended to read:
AB56-SA6,14,1320 5.15 (4) (a) Except as provided in par. (c), the division ordinance or resolution
21shall number all wards in the municipality with unique whole numbers in
22consecutive order, beginning with the number one, shall designate the polling place
23for each ward, and shall describe the boundaries of each ward consistent with the
24conventions set forth in s. 4.003 4.008 (1). The ordinance or resolution shall be
25accompanied by a list of the block numbers used by the U.S. bureau of the census that

1are wholly or partly contained within each ward, with any block numbers partly
2contained within a ward identified, and a map of the municipality which illustrates
3the revised ward boundaries. If the legislature, in an act redistricting legislative
4districts under article IV, section 3, of the constitution, or in redistricting
5congressional districts, establishes a district boundary within a municipality that
6does not coincide with the boundary of a ward established under the ordinance or
7resolution of the municipality, the municipal governing body shall, no later than
8April 10 of the 2nd year following the year of the federal decennial census on which
9the act is based, amend the ordinance or resolution to the extent required to effect
10the act. The amended ordinance or resolution shall designate the polling place for
11any ward that is created to effect the legislative act. Nothing in this paragraph shall
12be construed to compel a county or city to alter or redraw supervisory or aldermanic
13districts.”.
AB56-SA6,14,14 142. Page 4, line 19: after that line insert:
AB56-SA6,14,15 15 Section 28a. 13.49 of the statutes is created to read:
AB56-SA6,14,16 1613.49 Redistricting advisory commission. (1) Definitions. In this section:
AB56-SA6,14,1717 (a) “Chief election officer" means the elections commission administrator.
AB56-SA6,14,1818 (b) “Four selecting authorities" means all of the following:
AB56-SA6,14,1919 1. The majority leader of the senate.
AB56-SA6,14,2020 2. The minority leader of the senate.
AB56-SA6,14,2121 3. The speaker of the assembly.
AB56-SA6,14,2222 4. The minority leader of the assembly.
AB56-SA6,14,2323 (c) “Partisan public office" means any of the following:
AB56-SA6,15,2
11. The office of governor, lieutenant governor, secretary of state, state treasurer,
2attorney general, state senator, or state representative to the assembly.
AB56-SA6,15,43 2. A county office that is filled by an election process involving nomination and
4election of candidates on a partisan basis.
AB56-SA6,15,65 (d) “Political party office" means an elective office in a political party, as defined
6in s. 11.0101 (26), or in a national political party.
AB56-SA6,15,127 (e) “Relative" means an individual who is related to the person in question as
8father, mother, son, daughter, brother, sister, uncle, aunt, first cousin, nephew, niece,
9husband, wife, grandfather, grandmother, father-in-law, mother-in-law,
10son-in-law, daughter-in-law, brother-in-law, sister-in-law, stepfather,
11stepmother, stepson, stepdaughter, stepbrother, stepsister, half brother, or half
12sister.
AB56-SA6,15,21 13(2) General provisions. (a) Not later than February 15 of the first year
14following the decennial federal census, a temporary redistricting advisory
15commission is created consisting of 5 members. Each of the 4 selecting authorities
16shall certify to the chief election officer the selecting authority's appointment of a
17person to serve on the commission. Within 30 days after the last selecting authority
18has certified his or her appointment, but not later than February 15 of the first year
19following the decennial federal census, the 4 commission members so appointed shall
20select, by a vote of at least 3 members, and certify to the chief election officer the 5th
21commission member, who shall serve as chairperson.
AB56-SA6,15,2322 (b) No individual may be appointed to the redistricting advisory commission
23who satisfies any of the following:
AB56-SA6,15,2524 1. The individual is not an eligible elector of this state at the time of the
25appointment.
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