The Legislature hereby finds and declares that an important state interest exists in providing a minimum retirement annuity for certain retirants (or their beneficiaries) who are credited with twenty or more years of credited service; that such program constitutes a public purpose; and that the exclusions of credited service while an elected public official or while a temporary legislative employee are reasonable and equitable exclusions for purposes of determining eligibility for such minimum benefits. For purposes of this section:
(1) "Elected public official" means any member of the Legislature or any member of the legislative body of any political subdivision; and