Colorado Revised Statutes Title 29. Government Local § 29-8-123. Discount--assessment roll returned

Payment may be made to the city or town treasurer at any time within thirty days after the final publication of the assessing resolution and an allowance of five percent shall be made on all payments made during such period, but not thereafter. In the case of cities and towns, at the expiration of said thirty-day period, the city or town treasurer shall return the local assessment roll to the clerk, therein showing all payments made thereon, with the date of each payment. Said roll shall be certified by the city or town clerk under the seal of the city or town, and be hand delivered to the county treasurer of the same county, with his warrant for the collection of the same. The county treasurer shall show receipt for the same and all such rolls shall be numbered for convenient reference.