Cal. Gov. Code § 65584.1

Councils of government may charge a fee to local governments to cover the projected reasonable, actual costs of the council in distributing regional housing needs pursuant to this article. Any fee shall not exceed the estimated amount required to implement its obligations pursuant to Sections 65584, 65584.01, 65584.02, 65584.03, 65584.04, 65584.05, and 65584.07. A city, county, or city and county may charge a fee, not to exceed the amount charged in the aggregate to the city, county, or city and county by the council of governments, to reimburse it for the cost of the fee charged by the council of government to cover the council’s actual costs in distributing regional housing needs. The legislative body of the city, county, or city and county shall impose the fee pursuant to Section 66016, except that if the fee creates revenue in excess of actual costs, those revenues shall be refunded to the payers of the fee.