Mich. Comp. Laws § 400.1215: Energy refunds or credits; application.

Sec. 15.

Any pipeline or purchase gas adjustments or other energy refunds or credits to assisted households enrolled in the program shall be applied by the provider utility to the assisted household's preenrollment arrearage. Refunds or credits in excess of preenrollment arrearages shall be refunded by the provider utility to the state general fund.