The City of Middletown, by its Common Council, hereby agrees to pay
on account of any member or officer of its Police Department who shall hereafter
duly elect to contribute the additional amount required for the purpose of
retiring after 25 years of service, as provided by Subdivision 1 of § 68-b
of the Civil Service Law, or any subsequent amendments thereto, the entire
additional cost on account of the police service rendered by such officer
or member of the Police Department prior to December 15, 1946, and the City
of Middletown further agrees to pay 1/2 of the additional cost on account
of police service rendered by such officer or member of the Police Department
after December 15, 1946.