Ind. Code § 20-27-7-7

Sec. 7. If a school bus has received damage in an accident that has put the school bus out of service because of passenger safety concerns, the school bus must be presented for an inspection under section 2 of this chapter before the school bus may be used to transport passengers. If the school bus meets the requirements specified in section 3 of this chapter, the state police department shall issue a new certificate of inspection for the school bus. A certificate of inspection issued under this section is valid until September 30 of the school year following the school year for which the certificate is issued.