Notwithstanding Chapter 3.5 (commencing with Section 11340) of Part 1 of Division 3 of Title 2 of the Government Code, the department may implement, interpret, or make specific this part, and the terms and conditions of the demonstration project secured pursuant to subdivision (a) of Section 15910, by means of all-county letters, plan letters, plan or provider bulletins, or similar instructions. Prior to issuing any letter or similar instrument authorized pursuant to this section, the department shall notify and consult with stakeholders, including advocates, providers, and beneficiaries. The department shall notify the appropriate policy and fiscal committees of the Legislature of its intent to issue instructions under this section at least five days in advance of the

issuance.