A lobbyist principal may purchase tickets for or otherwise provide sponsorship for a bona fide community, civic or charitable reception, breakfast, luncheon or dinner attended by state officers and employees who are guests of the sponsoring organization, provided the lobbyist principal may not designate state officers or employees to be guests and provided the purchase or sponsorship is customary for the lobbyist principal and other similar entities.
Okla. Stat. tit. 74E, § 5.18