RULE 109. ENACTING AND TERMINATING. PROVISION. This agreement shall be effective as of November 1, 1979 and shall continue in effect until it is changed as provided herein or under the provisions of the Railway Labor Act.

Should either of the parties to this agreement desire to revise these rules, 30 days¹ written advance notice, containing the proposed-changes shall be given, and conference shall be held immediately upon the expiration of said notice unless another date is mutually agreed upon.

It is understood and agreed that this agreement is superseded by and subordinate to any municipal, state or federal legislation.