Notwithstanding any provision of this division, the executive officer shall submit any plan or project proposed to be carried out pursuant to this division within the coastal zone portion of the Santa Monica Mountains Zone, as defined in Section 33105, to the Santa Monica Mountains Conservancy for review at least 60 days prior to approval by the State Coastal Conservancy. If the Santa Monica Mountains Conservancy has not, within 60 days from the date of submission, acted to disapprove the proposed plan or project on the grounds that the plan or project is in conflict with or jeopardizes an approved acquisition or improvement or a proposed acquisition or improvement identified in the adopted Santa Monica Mountains Conservancy workprogram, the plan or project may proceed pursuant to this division.