1. Any supplementary agreement entered into under paragraph (6) of the compact in section 18.060 requiring the expenditure of funds shall not become effective as to Missouri until the required funds are appropriated by the legislature.

2. The department, agencies and officers of this state and its subdivisions are authorized to cooperate with the board in the furtherance of any of its activities pursuant to the compact, provided such proposed activities have been made known to, and have the approval of the governor.