Organizations that meet the definition of a "nonprofit" under WAC 390-05-535 are required to file an Incidental Committee Registration (C-1ic report) within two weeks of first: (1) having the expectation of spending $25,000 or more on Washington state election campaigns, and (2) receiving cumulative payments from a single source of at least $10,000 within the current calendar year (see what qualifies as a payment here). On the C-1ic, the committee must report:
  • its name and address;
  • the names and addresses of all related or affiliated political or incidental committees, and the nature of the affiliation;
  • the names, addresses and titles of the committee’s officers, or the names, addresses and titles of its responsible leaders and the name of its treasurer; and
  • the names of candidates and political committees it is supporting through monetary or in-kind contributions, and whether the political committees are supporting or opposing candidates or ballot measures. Only candidates for state and local office and only political committees required to register with the PDC must be listed. 
The C-1ic report is filed by delivering or mailing the completed form to the PDC office (PO Box 40908, Olympia, WA 98504).
If any of the information changes during the calendar year, the committee must file an amended C-1ic report within 10 business days. RCW 42.17A.207