TERMINATION AND MODIFICATION 271 - This Agreement shall continue in full force and effect from the date hereof until 11:59 p.m., June 30, 2002, and from year to year thereafter unless notice of termination or modification is given as provided in Paragraphs 273, 274, and 275 below. 272 - If either party desires to terminate this Agreement, it shall, sixty (60) days prior to the termination date, give written notice of termination. If neither party shall give notice of termination of this Agreement as provided in this paragraph or notice of amendment, as hereinafter provided, or if each party giving a notice of termination withdraws the same prior to termination date, this Agreement shall continue in effect from year to year thereafter subject to notice of termination by either party on sixty (60) days written notice prior to the current year's termination date. 273 - If either party desires to modify or change this Agreement, it shall sixty (60) days prior to the termination date or any subsequent termination date, give written notice of amendment in which event the notice of amendment shall set forth the nature of the amendment or amendments desired. If notice of amendment of this Agreement has been given in accordance with this paragraph, this Agreement may be terminated by either party on ten (10) days written notice of termination but not before the effective termination date of this Agreement. Any amendments that may be agreed upon shall become and be a part of this Agreement without modifying or changing any of the other terms of this Agreement. 274 - Notice of Termination Modification. Notice shall be in writing and shall be sufficient if sent by certified mail addressed to the Union, and if to the Employer, addressed to Director, Employee Relations, or to any such address as the Union or the Employer may make available to each other. 275 - This Agreement shall be effective from and after July 1, 1999, until and including June 30, 2002, with respect to all provisions of this Agreement.