The respondent shall file a brief within the later of any of the following:
Thirty days after the date of service of the appellant's brief, and 3 additional days under s. 801.15 (5) (a)
if service is accomplished by mail.
Thirty days after the date on which the court accepts the appellant's brief for filing.
Thirty days after the date on which the record is filed in the office of the clerk.
The brief must conform with sub. (1)
, except that the statement of issues and the statement of the case may be excluded.
Within the time limits for filing a respondent's brief, a party who has been designated as a respondent may file a statement with the court that it will not be filing a brief because its interests are not affected by the issues raised in the appellant's brief or because its interests are adequately represented in another respondent's brief.
The respondent may file with his or her brief a supplemental appendix. If the record is required by law to be confidential, the supplemental appendix must comply with the confidentiality requirements under sub. (2) (a)
. Any supplemental appendix shall include a table of contents, a copy of any unpublished opinion cited under s. 809.23 (3) (a)
, and a signed certification that the appendix complies with the confidentiality requirements under sub. (2) (a)
in a form substantially similar to the confidentiality provision under sub. (2) (b)