This agreement shall come into force and take effect on the first day of July 1, 2014 and shall remain in force and effect until June 30, 2018, and shall thereafter continue in effect from year to year unless either party gives the other written notice by registered mail of a desire to terminate or amend this agreement. Such notice shall be given not more than ninety (90) days and not less than thirty (30) days prior to the last day of the collective agreement.