SECTION II. EFFECTIVE DATE

The original effective date of the Plan shall be July 1, 1960. In the event, however, that the Trustees should, pursuant to Section XXI hereof, extend the benefits of the Plan to employees in collective bargaining units admitted to coverage after the original effective date, the Plan as to such employees shall be effective as of the first day of the first month in which contributions are required by a collective bargaining agreement to be made to the Plan upon behalf of such employees, which date shall be hereinafter referred to as "deferred" effective date.