Revenue and Taxation Code § 254
ARTICLE 2. Procedure to Claim Exemptions
Any person claiming the church, cemetery, college, exhibition, welfare, veterans’ organization, free public libraries, free museums, aircraft of historical significance, tribal housing, or public schools property tax exemption and anyone claiming the classification of a vessel as a documented vessel eligible for assessment under Section 227, shall submit to the assessor annually an affidavit, giving any information required by the board.