Sick days awarded on and after July 1, 2012 that remain unused at the end of the Fiscal Year may be rolled over for future use up to a maximum of forty (40) days and may be used for the following purposes:(a) as sick days or for purposes of leave under the Family and Medical Leave Act; (b) to supplement the short-term disability pay in days 31 through 90 to reach 100% income during such period or (c) for pension service credit upon retirement. Sick days accumulated under this Section shall be utilized prior to sick days in the "retained sick day bank" defined in Article 37-4.