This agreement shall come into force and take effect on the 1st day of July, 2018, and remain in force until the 30th day of June, 2022, and shall automatically renew itself from year to year unless either party gives the other written notice during the month of April in the year in which the contract terminates, by registered mail, of a desire to terminate or amend the agreement. The counter proposal is to be presented within twenty (20) days after the proposal is received or another mutually agreed upon date.