Section 13-548. Age-fifty-five-increased-benefits pension plan

a.  Any
  contributor:
    (1)  who  did  not  prior  to  filing  an  application  to  become  an
  age-fifty-five-increased-benefits    pension    plan    contributor   as
  hereinafter in this subdivision  a  provided,  file  an  application  to
  become  a  twenty-year pension plan contributor pursuant to subparagraph
  (a) of paragraph one of subdivision a of section 13-547 of this  chapter
  (relating to the twenty-year pension plan); and
    (2) who is in member-service at the time of filing such application to
  become an age-fifty-five-increased-benefits pension plan contributor;
    may  by  a  written  application  duly  executed  and  filed  with the
  retirement board on or after the date of enactment of this  section  and
  prior  to  July  first,  nineteen  hundred  seventy,  elect to become an
  age-fifty-five-increased-benefits pension plan contributor commencing on
  July first, nineteen hundred seventy, and to contribute for the right to
  retire  under  the   age-fifty-five-increased-benefits   pension   plan;
  provided,  however that if any contributor filing such an application to
  become an age-fifty-five-increased-benefits pension plan contributor  is
  not  in  member-service  on  July  first, nineteen hundred seventy, such
  application shall be void and of no effect.
    b. Any contributor  in  member-service  on  June  thirtieth,  nineteen
  hundred seventy:
    (1) who is not, at the time of filing an application as hereinafter in
  this   subdivision   b  provided,  either  a  twenty-year  pension  plan
  contributor or a former twenty-year pension  plan  contributor  who,  by
  reason  of cancellation, is an age-fifty-five-increased-benefits pension
  plan contributor pursuant  to  subparagraph  (i)  of  paragraph  two  of
  subdivision  d  of  section  13-547  of  this  chapter  (relating to the
  twenty-year pension plan); and
    (2) who is in member-service at the time of filing an  application  as
  hereinafter in this subdivision b provided:
    may  by  a  written  application  duly  executed  and  filed  with the
  retirement board on or after July first, nineteen hundred seventy and no
  later than June thirtieth, nineteen hundred seventy-two, elect to become
  an age-fifty-five-increased-benefits pension  plan  contributor  and  to
  contribute     for     the     right     to     retire     under     the
  age-fifty-five-increased-benefits pension plan.
    c. The normal rate of contribution of each contributor making such  an
  election  pursuant  to  subdivision  a  or  b  of  this  section  shall,
  commencing on July first, nineteen hundred seventy, be that which  would
  have  been  established  and in effect for such contributor on such July
  first if he or she had elected, as  of  his  or  her  contribution  rate
  fixation             date,             to            become            a
  twenty-five-year-age-fifty-five-one-per-centum contributor  (as  defined
  in subdivision forty-eight of section 13-501 of this chapter).
    d.  (1)  Notwithstanding  any  other  provision of this chapter to the
  contrary, but subject to the  provisions  of  paragraph  three  of  this
  subdivision,  any  contributor  who,  on  or  after July first, nineteen
  hundred seventy:
    (a) enters member-service for the first time; or
    (b) re-enters member-service as a withdrawn contributor without  being
  entitled  to  service  credit and status prior to withdrawal as provided
  for  in  section  13-506  of  this  chapter   (relating   to   withdrawn
  contributors who re-enter service); or
    (c) re-enters member-service after having become a discontinued member
  and is not entitled, at the time of such re-entry, to service credit and
  status  prior  to withdrawal as provided for in subdivision h of section
  13-556 of this chapter (relating to credit for service and status  prior

  to  withdrawal  upon  restoration  of a discontinued member to service);
  shall, upon such entry or re-entry into member-service, as the case  may
  be, become an age-fifty-five-increased-benefits pension plan contributor
  and  shall  contribute  as hereinafter provided in paragraph two of this
  subdivision    d    for    the    right    to    retire    under     the
  age-fifty-five-increased-benefits pension plan.
    (2) The normal rate of contribution of each contributor who becomes an
  age-fifty-five-increased-benefits  pension  plan contributor pursuant to
  paragraph one of this subdivision d shall, commencing on the date of his
  or her entry or re-entry into member-service (as the case  may  be),  be
  that  which  would have been established for such contributor if on such
  date he or she had been eligible to elect and had elected  to  become  a
  twenty-five-year-age-fifty-five-one-per-centum  contributor  (as defined
  in subdivision forty-eight of section 13-501 of this chapter).
    (3) The provisions of paragraphs one and two  of  this  subdivision  d
  shall  be  inapplicable  to any contributor therein mentioned during any
  period wherein he or she is a twenty-year pension  plan  contributor  by
  reason  of (a) his or her election to become such a contributor pursuant
  to section 13-547 of this chapter (relating to the  twenty-year  pension
  plan)  or  (b) the provisions of paragraph five of subdivision b of such
  section  13-547  (relating  to  re-entry  of  twenty-year  pension  plan
  contributors into member-service).
    e.  (1)  Notwithstanding  any  other  provision of this chapter to the
  contrary, any contributor:
    (a) who, on or after July first, nineteen hundred seventy:
    (i)  re-enters  member-service  after  being  a  retired   contributor
  immediately prior to such re-entry; or
    (ii)  re-enters  member-service as a withdrawn contributor entitled to
  credit for  service  and  status  prior  to  withdrawal,  by  reason  of
  qualification  for  such  credit  under  section  13-506 of this chapter
  (relating to withdrawn contributors who re-enter service); or
    (iii) re-enters member-service  after  having  become  a  discontinued
  member  and is entitled, at the time of such re-entry, to service credit
  and status prior to withdrawal as  provided  for  in  subdivision  h  of
  section  13-556  of  this  chapter  (relating  to credit for service and
  status prior to withdrawal upon restoration of a discontinued member  to
  service); and
    (b) who is not a twenty-year pension plan contributor by reason of his
  or  her  status  at  the time of such re-entry into member-service or by
  reason of an election made,  after  such  re-entry,  to  become  such  a
  contributor  pursuant to section 13-547 of this chapter (relating to the
  twenty-year pension plan); and
    (c) who did not previously become a fifty-five-year-increased benefits
  pension plan contributor under subdivision a, b or d of this section;
    may, by a  written  application  duly  executed  and  filed  with  the
  retirement   board   within   two   years   after   such  re-entry  into
  member-service, elect  to  become  an  age-fifty-five-increased-benefits
  pension  plan contributor and to contribute to the retirement system for
  the right to retire under the age-fifty-five-increased-benefits  pension
  plan.
    (2)  the  normal  rate  of  contribution  of any contributor making an
  election pursuant  to  paragraph  one  of  this  subdivision  e,  shall,
  commencing  upon the date of his or her re-entry into member-service, be
  that  which  would  have  been  established  and  in  effect  for   such
  contributor on such date if he or she had been eligible to elect and had
  elected,  as  of his or her contribution rate fixation date, to become a
  twenty-five-year-age-fifty-five-one-per-centum contributor  (as  defined
  in subdivision forty-eight of section 13-501 of this chapter).

    f.  In  any case where the provisions of law under which a contributor
  may elect  to  become  a  twenty-five-year-age-fifty-five-one-per-centum
  contributor were not in effect on the contribution rate fixation date of
  a fifty-five-year-increased-benefits pension plan contributor for whom a
  normal  rate  of  contribution  is  required  to  be  fixed  pursuant to
  subdivision c or e of this section, such rate shall be determined in the
  same manner as if such provisions of law had been in effect on such date
  and thereafter.