Notwithstanding any law, including Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, the office and the State Department of Health Care Services may implement, interpret, or make specific this article, in whole or in part, by means of all-county letters, plan letters, provider bulletins, information notices, regulations, or other similar instructions, without

taking any further regulatory action.