(1) For the purpose of this chapter, relating to the appropriation and disbursement of funds, the fiscal year of the state shall commence on July 1 and shall end on June 30 of the following year; and the biennial period, or “biennium”, shall commence on July 1 following the adjournment of the regular session of the General Assembly and end on June 30 two (2) years thereafter.
(2) The definition of the fiscal year, for the purposes of this chapter, shall not be construed to affect special appropriations where no fiscal period is defined in the act making such special appropriation or affect the bond year for other fiscal transactions.
(3) In the case of special appropriations where the emergency clause has been adopted by the General Assembly and where no period of time is mentioned in the act making the appropriation, the appropriation shall be construed to be available for a two-year period from and after the effective date of the act.
(4) In the case of special appropriations where the emergency clause has not been adopted and where no period of time is mentioned in the act making the appropriation, the appropriation shall be construed to become available ninety (90) days after the adjournment of the General Assembly. It shall be available for a two-year period from and after the date the appropriation became available.