(2) Except as provided in this subsection, the compensation of a public officer may not be increased or diminished during the term of office:
(a) When any increase or decrease in the compensation of justices of the supreme court or judges of any court of record becomes effective as to any such justice or judge, it shall be effective from such date as to every such justice or judge.
(b) Any increase in the compensation of members of the legislatureshall take effect, for all senators and representatives to the assembly, after the next general election beginning with the new assembly term.
(3) Subsection (1) shall not apply to increased benefits for persons who have been or shall be granted benefits of any kind under a retirement system when such increased benefits are provided by a legislative act passed on a call of ayes and noes by a three-fourths vote of all the members elected to both houses of the legislature and such act provides for sufficient state funds to cover the costs of the increased benefits.
Congratulations! You're now booked up on Article IV Section 26 of the Wisconsin Constitution!