Read Washington's law:
For a political party that requires a specific voter declaration under this section, the secretary of state shall prescribe rules for providing, to the state and county committees of that political party, a copy of the declarations or a list of the voters who participated in the presidential nominating process of that party.Michigan's law:
Anyone? Citizen Steve, what say you?
(3) The secretary of state shall develop a procedure for city and township clerks to use when keeping a separate record at a presidential primary that contains the printed name, address, and qualified voter file number of each elector and the participating political party ballot selected by that elector at the presidential primary.
(4) Except as otherwise provided in this section, the information acquired or in the possession of a public body indicating which participating political party ballot an elector selected at a presidential primary is confidential, exempt from disclosure under the freedom of information act, 1976 PA 442, MCL 15.231 to 15.246, and shall not be disclosed to any person for any reason.
(5) To ensure compliance with the state and national political party rules of each participating political party and this section, the records described in subsection (3) shall be provided to the chairperson of each participating political party as set forth in subsection (6).
(6) Within 71 days after the presidential primary, the secretary of state shall provide to the chairperson of each participating political party a file of the records for each participating political party described under subsection (3). The secretary of state shall set a schedule for county, city, and township clerks to submit data or documents required under subsection (3). The secretary of state and county, city, and township clerks shall destroy the information indicating which participating political party ballot each elector selected at the presidential primary as recorded in subsection (3) immediately after the expiration of the 22-month federal election records retention period.
Update: Ballot Access blog has their say. And, as usual, its a good one.