Section 1259.4 - Principles and guidelines for maintaining instream flows in coastal streams(a)(1) On or before January 1, 2008, the board shall adopt principles and guidelines for maintaining instream flows in coastal streams from the Mattole River to San Francisco and in coastal streams entering northern San Pablo Bay, as part of state policy for water quality control adopted pursuant to Article 3 (commencing with Section 13140) of Chapter 3 of Division 7, for the purposes of water right administration.(2) The board may adopt principles and guidelines for maintaining instream flows not described in paragraph (1), as part of state policy for water quality control adopted pursuant to Article 3 (commencing with Section 13140) of Chapter 3 of Division 7, for the purposes of water right administration.(b) Prior to the adoption of principles and guidelines pursuant to subdivision (a), the board may consider the 2002 "Guidelines for Maintaining Instream Flows to Protect Fisheries Resources Downstream of Water Diversions in Mid-California Coastal Streams" for the purposes of water right administration.Amended by Stats 2005 ch 81 (SB 71),s 7, eff. 7/19/2005.Added by Stats 2004 ch 943 (AB 2121),s 3, eff. 1/1/2005.