PRC § 5003

The department shall administer, protect, develop, and interpret the property under its jurisdiction for the use and enjoyment of the public. Except as provided in Section 18930 of the Health and Safety Code, the department may establish rules and regulations not inconsistent with law for the government and administration of the property under its jurisdiction. The department may expend all moneys of the department, from whatever source derived, for the care, protection, supervision, extension, and improvement or development of the property under its jurisdiction.