Section 472-A. Compulsory separation from service of members of the correction department

1. Any member of the correction  department  who  elects  to  contribute  in  accordance  with  the  provisions of section
  eighty-eight of the retirement and social  security  law,  and  (a)  who
  prior  to  the effective date of this act has attained sixty-three years
  of age or who shall attain such age on  or  before  March  thirty-first,
  nineteen  hundred  sixty-six  and  (b)  who  on  or after January first,
  nineteen hundred sixty-six and on or before March thirty-first, nineteen
  hundred sixty-six shall complete twenty-five years of total service as a
  member of the correction department shall be separated from such service
  on March thirty-first, nineteen hundred sixty-six.
    2. Any member who shall  complete  twenty-five  years  of  such  total
  service  on or after April first, nineteen hundred sixty-six but who has
  not attained sixty-three years of age at the time of completion of  such
  period  of  service, shall be separated from such service upon attaining
  such age.
    3. Any member who shall attain sixty-three years of age  on  or  after
  April  first,  nineteen  hundred  sixty-six,  but  who has not completed
  twenty-five years of such total service at the time  of  attaining  such
  age, shall be separated from such service upon completing such period of
  service.
    4.  Any  member  appointed  on  or after April first, nineteen hundred
  sixty-five  shall  be  separated  from  such  service   upon   attaining
  sixty-three years of age.
    5.  The  foregoing  provisions  of this section shall not apply to any
  member who on the effective date of this act has  completed  twenty-five
  years  of  such  total service as a member of the correction department,
  regardless of age.
    6. For the purpose of this section, in computing twenty-five years  of
  total  service full credit shall be given for the time that a member was
  on military leave from service as a member of the correction department.