(a) Except as otherwise provided by law or rules established by the System, the System shall credit a member with one month of current service for each calendar month for which contributions are made, reported, and certified by the employing subdivision for purposes of determining length-of-service requirements and calculating benefits.     
      (b) Except as otherwise provided by law or rules established by the System, if an elected county or precinct official who is a member declines compensation pursuant to §152.052 of the Texas Local Government Code, the System shall credit such member with one month of credited service for each month worked without compensation that is reported and certified by the employing subdivision for purposes of determining length-of-service requirements, but shall not credit such member with service credit (monetary credit) for months worked without compensation for purposes of calculating benefits.     
     Source Note:        The provisions of this §105.6 adopted to be effective July 22, 2013, 38 TexReg 4642