California Code, Water Code - WAT § 1410.1

The notice of proposed revocation of the permit pursuant to paragraph (2) of subdivision (b) of Section 1410 shall contain a statement of facts and information upon which the proposed revocation is based, and shall include a statement substantially in the following form:

Unless a written request for a hearing signed by or on behalf of the permittee is delivered or mailed to the board within 15 days after receipt of this notice, the board may act upon the proposed revocation of the permit without a hearing. Any request for a hearing may be made by delivering or mailing the request to the board at the address given on the notice.