The Company and the Union agree that the 2015 Memorandum of Agreement is, unless a different effective date is set forth in a particular item, effective on April 12, 2015, but only if it is ratified by the Union membership employed in the Business Operating Units and Divisions listed in Appendix 3 to the 2015 Agreement and in the bargaining unit covered by this Agreement. This Memorandum of Agreement shall terminate, unless extended by mutual agreement, at 11:59 PM on Saturday, April 14, 2018.