(1) In the event an accounting system vendor fails to renew its license, an operator may continue to operate the approved accounting and reporting system purchased from the vendor if the approved accounting and reporting system requires no modification or support from a vendor to comply with ARM 23.16.2111.

(2) In the event an accounting system vendor fails to renew its license and the conditions for continuation cannot be met, operators using the system shall have 120 days to convert to a new system.