Instalment payment contracts for business tax debts can only be requested in contact with a compliance officer at (303) 866-3711. Agents are available from 8.m to 4:30 p.m.m. Monday to Friday (except state holidays). Filing a notice of judgment to secure the interests of the state until you make the final payment; To ask you to provide up-to-date information on your financial situation in order to notice a change in your ability to pay; and termination of the instalment payment agreement if you do not provide financial information upon request or if you do not meet the terms of the agreement, for example. B late payment, non-payment or non-presentation or payment of all necessary tax returns. . . .