Cal. Water Code - WAT § 1275. Section 1275.
After an application has been perfected, the board may request additional information reasonably necessary to clarify, amplify, correct, or otherwise supplement the information required to be submitted under Article 2 (commencing with Section 1260) or Article 3 (commencing with Section 1270). The board shall provide a reasonable period for submitting the information. The additional information may include, but is not limited to, any of the following:
(a)
Information needed to demonstrate that unappropriated water is available for appropriation.
(b)
Information needed to comply, or demonstrate compliance with, any applicable requirements of the Fish and Game Code or the federal Endangered Species Act of 1973 (16 U.S.C. Sec. 1531 et seq.).
(c)
Information needed to comply with Division 13 (commencing with Section 21000) of the Public Resources Code.