4. Districts must be composed of convenient contiguous territory. Under the
bill, areas that meet only at the points of adjoining corners are not contiguous.
5. To the extent consistent with the requirements described in items 1 to 3,
districts must be compact. The bill also specifies how compactness is to be measured.
6. In preparing the plan, the LRB must be strictly nonpartisan. No district may
be drawn for the purpose of favoring a political party, incumbent legislator, or other
person or group. The LRB may not use residence addresses of incumbent legislators,
political affiliations of registered voters, previous election results, or demographic
information to augment or dilute the voting strength of a language or racial minority
group, except as necessary to meet the requirements described in item 1.
7. The number of assembly districts may not be less than 54 nor more than 100.
The number of senate districts may not be more than one-third nor less than
one-fourth of the number of assembly districts and each senate district must contain
only whole assembly districts.
Redistricting advisory commission
The bill assigns several tasks to the redistricting advisory commission,
including the following:
1. If requested to do so by the LRB, the commission must provide direction to
the LRB concerning any decision the LRB must make in preparing a redistricting
plan for which no clearly applicable guideline is provided under the bill.
2. The commission must make available to the public at the earliest feasible
time copies of any redistricting bill delivered by the LRB to the legislature, as
provided under this bill, maps illustrating the redistricting bill, a summary of the
standards applicable to the LRB for development of the plan in the redistricting bill,
and a statement of the population of each district created in the plan and the relative
deviation of each district population from the ideal district population.
3. The commission must conduct at least three public hearings on a
redistricting bill delivered by the LRB to the legislature, as provided under this bill,
unless the redistricting bill represents a plan drawn in response to a redistricting bill

that was previously delivered to the legislature and rejected by at least one house.
The commission must submit a report to the legislature summarizing information
and testimony received by the commission at the hearings. The report may also
include any comments and conclusions that the commission's members deem
appropriate concerning the information and testimony received at the hearings or
otherwise presented to the commission.
The bill also permits the commission to establish policies limiting the
information that the LRB may provide to persons other than LRB staff concerning
any redistricting plan drawn by the LRB, except that any such policy does not apply
to population data furnished to the LRB by the U.S. Bureau of the Census or to a
redistricting plan after a bill embodying that plan is delivered by the LRB to the
legislature as required under this bill.
Under the bill, the redistricting advisory commission must be created not later
than February 15 of the first year following the federal decennial census and
terminates upon satisfying its duties, until a new redistricting advisory commission
is created for the next round of legislative redistricting. The commission consists of
five members. The speaker and minority leader of the assembly and the majority and
minority leaders of the senate must each appoint one person to serve on the
commission. Within 30 days after the fourth commission member is appointed, but
not later than February 15 of the first year following the federal decennial census,
the four commission members so appointed must select the fifth commission
member, who serves as chairperson. The bill prohibits all of the following individuals
from being a commission member: individuals who are not eligible electors of this
state at the time of the appointment, individuals who hold partisan public office or
political party office, and individuals who are a relative of or are employed by a
member of the legislature, or are employed directly by the legislature or Congress.
Redistricting process
The bill requires the LRB to perform certain tasks in preparation for drawing
legislative redistricting plans on the basis of each federal decennial census. For
example, as soon as possible after receiving from the U.S. Bureau of the Census the
population data needed for legislative redistricting, the LRB must use that data to
assign a population figure to geographic or political units to facilitate the drawing
of redistricting plans. Typically, this data is available on or about April 1 of the first
year following the federal decennial census. The LRB must also prepare and publish
an analysis describing the population of current legislative districts and the extent
to which the districts may violate the redistricting standards described above. In
addition, as municipalities complete their ward plans (typically, by October of the
first year following the federal decennial census), the LRB must assign a population
figure based upon certified federal census data to each municipal ward, for use in
drawing redistricting plans.
Not later than January 1 of the second year following the federal decennial
census, the LRB must deliver to the majority leader of the senate and speaker of the
assembly identical bills embodying a plan of legislative districting, drawn in
accordance with the standards described above. The bill further specifies a
procedure that the legislature must follow in considering the bills, although that

procedure is not enforceable by the courts. The bill requires either the assembly or
the senate to bring the bill to a vote expeditiously, but not less than seven days after
the report of the redistricting advisory commission is received and made available
to the members of the legislature. The vote must be under a procedure or rule
permitting no amendments except those of a purely corrective nature. If the bill is
approved by the first house in which it is considered, the bill must expeditiously be
brought to a vote in the second house under a similar procedure or rule.
If neither of the bills delivered by the LRB is approved by both the assembly and
the senate, the chief clerk of the house that failed to approve the bill must transmit
to the LRB information on why the plan was not approved by that house. The LRB
must then prepare identical bills embodying a second plan of legislative
redistricting, taking into account the reasons transmitted to the LRB by the
legislature, or, if applicable, by the governor by veto message, insofar as it is possible
to do so while complying with the standards described above. The LRB must deliver
the bill to the majority leader of the senate and the speaker of the assembly no later
than 21 days after the date of the vote by which the senate or the assembly failed to
approve the bill initially submitted. This second bill must be expeditiously
introduced and brought to a vote not less than seven days after the date of
introduction, in the same manner as prescribed for the initial bill.
If the second bill is similarly rejected by at least one house, the same procedure
applies, except that the third bill is subject to amendment in the same manner as
other bills.
The bill also provides exceptions to this process to account for variations in the
timing of the release of federal census data.
Required contents of redistricting bills
The LRB must ensure that each bill embodying a redistricting plan it draws
contains specified conventions to apply wherever territory in a plan is described by
geographic boundaries. Also, each such bill must provide that the bill first applies,
with respect to regular elections, to offices filled at the next occurring general
election and, with respect to special or recall elections, to offices filled or contested
on or after the date of the next occurring general election.
Challenge based on population inequality
If an action is brought challenging a legislative redistricting plan adopted
under the procedure established in the bill on the basis of an excessive population
variance among senate or assembly districts, the legislature has the burden of
justifying any variance in excess of 1 percent between the population of a senate or
assembly district and the applicable ideal district population.
For further information see the state fiscal estimate, which will be printed as
an appendix to this bill.
The people of the state of Wisconsin, represented in senate and assembly, do
enact as follows:
AB415,1
1Section 1. 3.002 (2) of the statutes is amended to read:
AB415,5,32 3.002 (2) Wherever territory is described by geographic boundaries, such
3boundaries follow the conventions set forth in s. 4.003 4.008 (1).
AB415,2 4Section 2. Subchapter I of chapter 4 [precedes 4.001] of the statutes is repealed
5and recreated to read:
AB415,5,66 CHAPTER 4
AB415,5,77 subchapter i
AB415,5,98 general provisions
9and redistricting
AB415,5,10 104.001 Definitions. In this chapter, unless the context requires otherwise:
AB415,5,11 11(1) “Block" has the meaning given in s. 5.02 (1q).
AB415,5,13 12(2) “Commission" means the redistricting advisory commission established
13under s. 13.49.
AB415,5,15 14(3) “Plan" means a plan for legislative reapportionment prepared under this
15subchapter.
AB415,5,17 16(4) “Political subdivision" means a city, town, village, or county within this
17state.
AB415,5,19 18(5) “Ward" means a municipal ward in effect on April 1 of the year of the federal
19decennial census and used in preparing plans as required under s. 4.005.
AB415,5,22 204.002 Political subdivision boundaries. In this chapter, reference to any
21political subdivision means that political subdivision as its boundaries exist on April
221 of the year of the federal decennial census.
AB415,6,2 234.003 Legislative districts established. This state is divided into 33 senate
24districts, each composed of 3 assembly districts. Each senate district may elect one

1member of the senate. Each assembly district may elect one representative to the
2assembly.
AB415,6,6 34.004 Preparations for redistricting. (1) The legislative reference bureau
4shall acquire appropriate information, review and evaluate available facilities, and
5develop programs and procedures in preparation for drawing plans on the basis of
6each federal decennial census.
AB415,6,11 7(2) By December 1 of the year of the federal decennial census, the legislative
8reference bureau shall obtain from the U.S. bureau of the census information
9regarding geographic and political units in this state for which federal census
10population data has been gathered and will be tabulated. The legislative reference
11bureau shall use the information to do all of the following:
AB415,6,1412 (a) Prepare necessary descriptions of geographic and political units for which
13census data will be reported and that are suitable for use as components of legislative
14districts.
AB415,6,1715 (b) Prepare maps of geographic and political units within the state that may
16be used to illustrate the locations of district boundaries proposed in plans prepared
17in accordance with s. 4.007.
AB415,7,2 18(3) As soon as possible after receiving from the U.S. bureau of the census the
19population data needed for legislative redistricting that the U.S. bureau of the
20census is required to provide this state under P.L. 94-171, the legislative reference
21bureau shall use that data to assign a population figure to each geographic or
22political unit described under sub. (2). The legislative reference bureau shall prepare
23and publish an analysis describing the population of current legislative districts and
24the extent to which the districts may violate the standards under s. 4.007. Upon

1satisfying these requirements, the legislative reference bureau shall begin the
2preparation of plans as required under s. 4.006.
AB415,7,8 34.005 Use of municipal ward plans. After receipt of a division ordinance or
4resolution under s. 5.15 (4) (b), the legislative reference bureau shall use the data
5obtained from the U.S. bureau of the census under s. 4.004 (3) to assign a population
6figure to each ward established in the division ordinance or resolution. The
7legislative reference bureau shall use each ward to which a population figure is
8assigned in preparing plans as required under s. 4.006.
AB415,7,18 94.006 Preparation of redistricting plans. (1) Not later than January 1 of
10the 2nd year following the federal decennial census, the legislative reference bureau
11shall deliver to the majority leader of the senate and speaker of the assembly
12identical bills creating plans, prepared in accordance with s. 4.007. Either the
13assembly or the senate shall bring the bill to a vote expeditiously, but not less than
147 days after the commission report under s. 13.49 (3) (c) 2. is received and made
15available to the members of the legislature. The vote shall be under a procedure or
16rule permitting no amendments except those of a purely corrective nature. If the bill
17is approved by the first house in which it is considered, the bill shall expeditiously
18be brought to a vote in the 2nd house under a similar procedure or rule.
AB415,8,8 19(2) If neither of the bills delivered by the legislative reference bureau under
20sub. (1) is approved by both the assembly and the senate, the chief clerk of the house
21that failed to approve the bill shall immediately transmit to the legislative reference
22bureau information on why the plan was not approved by that house. The legislative
23reference bureau shall prepare identical bills embodying a 2nd plan prepared in
24accordance with s. 4.007, taking into account the reasons transmitted to the
25legislative reference bureau under this subsection or, if applicable, transmitted to

1the legislative reference bureau by the governor by veto message, insofar as it is
2possible to do so within the requirements of s. 4.007. The legislative reference bureau
3shall deliver the bills to the majority leader of the senate and the speaker of the
4assembly no later than 21 days after the date of the vote by which the senate or the
5assembly failed to approve the bill submitted under sub. (1). Any bill delivered by
6the legislative reference bureau under this subsection shall be expeditiously
7introduced and brought to a vote not less than 7 days after the date of introduction,
8in the same manner as prescribed for the bill required under sub. (1).
AB415,8,18 9(3) If neither of the bills delivered by the legislative reference bureau under
10sub. (2) is approved by both the assembly and the senate, the same procedure as
11prescribed by sub. (2) shall be followed. If a 3rd plan is required under this
12subsection, the legislative reference bureau shall deliver the bills to the majority
13leader of the senate and the speaker of the assembly no later than 21 days after the
14date of the vote by which the senate or the assembly failed to approve the bill
15submitted under sub. (2). Any bill delivered by the legislative reference bureau
16under this subsection shall be expeditiously introduced and brought to a vote not less
17than 7 days after the date of introduction and shall be subject to amendment in the
18same manner as other bills.
AB415,9,3 19(4) Notwithstanding subs. (1) to (3), if the population data for legislative
20redistricting that the U.S. bureau of the census is required to provide this state under
21P.L. 94-171 and, if used by the legislative reference bureau, the corresponding
22topologically integrated geographic encoding and referencing data file for that
23population data are not available to the legislative reference bureau on or before
24April 1 of the first year following the federal decennial census, the deadlines set forth
25in this section shall be extended by a number of days equal to the number of days

1after April 1 of the first year following the federal decennial census that the
2population data and the topologically integrated geographic encoding and
3referencing data file for legislative redistricting become available.
AB415,9,7 44.007 Redistricting standards. (1) Legislative districts shall be established
5on the basis of population requirements imposed under the Wisconsin Constitution
6and the U.S. Constitution and requirements imposed under the federal Voting
7Rights Act and any other applicable federal law.
AB415,9,16 8(2) Senate and assembly districts, respectively, shall satisfy the population
9standards established in this subsection. The quotient, obtained by dividing the sum
10of the absolute values of the deviations of all district populations from the applicable
11ideal district population by the number of districts established, may not exceed 1
12percent of the applicable ideal district population, unless necessary to maintain
13compliance with the federal Voting Rights Act or any other applicable federal law.
14For purposes of this subsection, the ideal district population is determined by
15dividing the population of the state reported in the most recent federal decennial
16census by the number of districts to be established.
AB415,9,20 17(3) District boundaries shall coincide with ward boundaries and, to the extent
18consistent with sub. (1), shall coincide with the boundaries of political subdivisions.
19The number of political subdivisions divided among more than one district shall be
20as small as possible and all such divisions shall preserve communities of interest.
AB415,9,24 21(4) Districts shall be composed of convenient contiguous territory. Areas that
22meet only at the points of adjoining corners are not contiguous. A district containing
23detached portions of a municipality is legally contiguous even if the area around the
24detached portion of the municipality is part of a different district.
AB415,10,8
1(5) To the extent consistent with subs. (1) to (3), districts shall be compact in
2form. Compact districts are those that are square, rectangular, or hexagonal in
3shape to the extent permitted by natural or political boundaries. The compactness
4of a district shall be measured by its Reock score. For each district, the Reock score
5shall be calculated by taking the ratio of the area of the district to the area of the
6minimum circumscribing circle. The Reock score ranges from zero to 1, with zero
7indicating that the district is not compact and one indicating that the district is
8optimally compact.
AB415,10,14 9(6) In preparing any plan, the legislative reference bureau shall be strictly
10nonpartisan. No district may be drawn for the purpose of favoring a political party,
11incumbent legislator, or other person or group. In establishing districts, no use shall
12be made of any of the following data for the purpose of augmenting or diluting the
13voting strength of a language or racial minority group, except to the extent required
14under sub. (1):
AB415,10,1515 (a) The residence addresses of incumbent legislators.
AB415,10,1616 (b) Political affiliations of registered voters.
AB415,10,1717 (c) Previous election results.
AB415,10,1818 (d) Demographic information.
AB415,10,22 19(7) The number of assembly districts in any plan may not be less than 54 nor
20more than 100. The number of senate districts in any plan may not be more than
21one-third nor less than one-fourth of the number of assembly districts. Each senate
22district shall contain only whole assembly districts.
AB415,10,24 234.008 Required provisions in redistricting bills. Each bill delivered under
24s. 4.006 shall provide all of the following:
AB415,11,2
1(1) That, wherever territory is described in the bill by geographic boundaries,
2the following conventions are used:
AB415,11,43 (a) Each bound continues to the intersection with the bound next named, or to
4the intersection with a straight-line extension of such bound.
AB415,11,65 (b) If the bound is a street, it follows the center line of the street or the center
6line of the street extended.
AB415,11,87 (c) If the bound is a railroad right-of-way, it follows the center line of the
8railroad right-of-way.
AB415,11,109 (d) If the bound is a river or stream, it follows the center of the main channel
10of such river or stream.
AB415,11,1111 (e) If the bound follows a municipal boundary, it coincides with such boundary.
AB415,11,15 12(2) That the bill first applies, with respect to regular elections, to offices filled
13at the next occurring general election after the bill takes effect and, with respect to
14special or recall elections, to offices filled or contested on or after the date of that
15general election.
AB415,11,21 164.0085 Challenge based on population inequality; burden of proof. If
17an action is brought challenging a plan under this subchapter on the basis of an
18excessive population variance among senate or assembly districts established in the
19plan, the legislature has the burden of justifying any variance in excess of 1 percent
20between the population of a senate or assembly district and the applicable ideal
21district population, as described under s. 4.007 (2).
AB415,3 22Section 3 . 5.15 (4) (a) of the statutes is amended to read:
AB415,12,1623 5.15 (4) (a) Except as provided in par. (c), the division ordinance or resolution
24shall number all wards in the municipality with unique whole numbers in
25consecutive order, beginning with the number one, shall designate the polling place

1for each ward, and shall describe the boundaries of each ward consistent with the
2conventions set forth in s. 4.003 4.008 (1). The ordinance or resolution shall be
3accompanied by a list of the block numbers used by the U.S. bureau of the census that
4are wholly or partly contained within each ward, with any block numbers partly
5contained within a ward identified, and a map of the municipality which illustrates
6the revised ward boundaries. If the legislature, in an act redistricting legislative
7districts under article IV, section 3, of the constitution, or in redistricting
8congressional districts, establishes a district boundary within a municipality that
9does not coincide with the boundary of a ward established under the ordinance or
10resolution of the municipality, the municipal governing body shall, no later than
11April 10 of the 2nd year following the year of the federal decennial census on which
12the act is based, amend the ordinance or resolution to the extent required to effect
13the act. The amended ordinance or resolution shall designate the polling place for
14any ward that is created to effect the legislative act. Nothing in this paragraph shall
15be construed to compel a county or city to alter or redraw supervisory or aldermanic
16districts.
AB415,4 17Section 4. 5.15 (4) (b) of the statutes is amended to read:
AB415,13,418 5.15 (4) (b) Within 5 days after adoption or enactment of an ordinance or
19resolution under this section or any amendment thereto, the municipal clerk shall
20transmit one copy of the ordinance or resolution or the amendment to the county
21clerk of each county in which the municipality is contained and one copy of the
22ordinance or resolution or the amendment to the legislative reference bureau
,
23accompanied by the list and map specified in par. (a), together with a report
24confirming the boundaries of the municipality and of all wards in the municipality.
25Within 5 days after notice to the municipal clerk of a judgment that has the effect of

1changing the municipal boundaries, the clerk shall file the same report. The
2municipal clerk shall ensure that each copy of the ordinance or resolution or
3amendment and each accompanying report identify the name of the municipality
4and the county or counties in which it is located.
AB415,5 5Section 5. 13.49 of the statutes is created to read:
AB415,13,6 613.49 Redistricting advisory commission. (1) Definitions. In this section:
AB415,13,87 (a) “Chief election officer" means the chief election officer of the elections
8commission.
AB415,13,99 (b) “Four selecting authorities" means all of the following:
AB415,13,1010 1. The majority leader of the senate.
AB415,13,1111 2. The minority leader of the senate.
AB415,13,1212 3. The speaker of the assembly.
AB415,13,1313 4. The minority leader of the assembly.
AB415,13,1414 (c) “Partisan public office" means any of the following:
AB415,13,1615 1. The office of governor, lieutenant governor, secretary of state, state treasurer,
16attorney general, state senator, or state representative to the assembly.
AB415,13,1817 2. A county office that is filled by an election process involving nomination and
18election of candidates on a partisan basis.
AB415,13,2019 (d) “Political party office" means an elective office in a political party, as defined
20in s. 5.02 (13), or in a national political party.
AB415,14,221 (e) “Relative" means an individual who is related to the person in question as
22father, mother, son, daughter, brother, sister, uncle, aunt, first cousin, nephew, niece,
23husband, wife, grandfather, grandmother, father-in-law, mother-in-law,
24son-in-law, daughter-in-law, brother-in-law, sister-in-law, stepfather,

1stepmother, stepson, stepdaughter, stepbrother, stepsister, half brother, or half
2sister.
AB415,14,11 3(2) General provisions. (a) Not later than February 15 of the first year
4following the federal decennial census, a temporary redistricting advisory
5commission is created consisting of 5 members. Each of the 4 selecting authorities
6shall certify to the chief election officer the selecting authority's appointment of an
7individual to serve on the commission. Within 30 days after the last selecting
8authority has certified his or her appointment, but not later than February 15 of the
9first year following the federal decennial census, the 4 commission members so
10appointed shall select, by a vote of at least 3 members, and certify to the chief election
11officer the 5th commission member, who shall serve as chairperson.
AB415,14,1312 (b) No individual may be appointed to the redistricting advisory commission
13who satisfies any of the following:
AB415,14,1514 1. The individual is not an eligible elector of this state at the time of the
15appointment.
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