Sec. 7. (a) A grantee shall submit to the department documentation of all project expenditures within:
(1) thirty (30) days after completion of the project; or
(2) twelve (12) months after the grant is awarded;
whichever occurs first.
(b) A grantee shall specify the source of money expended on a project for both ineligible costs and eligible costs.
(c) Unexpended grant money shall be returned to the hazardous substances trust fund within sixty (60) days after the department has:
(1) completed the department's final audit of project expenditures; and
(2) notified the grantee, in writing, of the unexpended amount.