# COMAR Title 21 — State Procurement Regulations

## Subtitle 06 — Contract Formation and Award

### Chapter 09 — Invoicing, Payment, and Interest on Late Payments

#### Regulation .06 Interest on Late Payments.

*COMAR 21.06.09.06*

A. The State shall pay interest on late payments as defined in Regulation .01 of this chapter at the rate of 9 percent per annum if:

  (1) The vendor submits an invoice for the late payment interest within 30 days after the date of the State’s payment of the amount on which the interest accrued; and

  (2) A contract claim has not been filed under State Finance and Procurement Article, Title 15, Subtitle 2, Annotated Code of Maryland.

B. The State is not liable for interest:

  (1) Accruing more than one year after the 31st day after the agency receives the proper invoice; or

  (2) On any amount representing unpaid interest.