California Code, Government Code - GOV § 82038.3

(a) “Lobbying coalition” means a group of 10 or more persons formed primarily to influence legislative or administrative action, whose members make payments to the coalition for sharing the expenses of employing a lobbyist or contracting for the services of a lobbying firm.

(b) For purposes of Sections 86115 and 86116, a lobbying coalition shall file the same statements and reports as a lobbyist employer.

(c) A bona fide federation, confederation, or trade, labor, or membership organization is not a lobbying coalition if it is ongoing in nature and its membership services are not limited to influencing legislative or administrative action.

(d) A person making payments to a lobbying coalition does not qualify as a lobbying firm or lobbyist employer as a result of those payments.