During the term of your tempering contract, interest continues to be charged on a pro rata basis. In addition, any tax refunds you claim will be automatically applied to your assets. It is precisely for this reason that you benefit from the payment of the maximum possible amount at each monthly payment. You must make all monthly payments in full up to the due date for your payment plan to be valid. In addition, you must file and pay all current and future tax returns when due in order to keep your payment plan in good condition. Payment plans (instalment payment agreements) for business tax debts (such as turnover tax and payroll deduction) can only be requested in consultation with a compliance officer at (303) 866-3711. Agents can be reached Monday to Friday from 8:00 a.m.m. to 4:30 p.m. .m Mountain Time. The department may terminate a payment plan (instalment payment contract) after the start if it has been violated. We are a team of accountants, lawyers and tax specialists with over 30 years of experience. Let the Tax Group Center use our experience in developing an income tax payment plan for the state of Colorado if you`re worried about a crushing tax debt. Don`t let the consequences, if you don`t care about your public taxes, make your tax situation a bigger problem than you need to be! Call us today to take action! After receiving an invoice, you can request a payment plan (installment payment contract) by going to Revenue Online and creating a login….