Section 43-2-129 - Accounting by municipalities - unexpended funds - matching federal aid(1) All amounts paid to each city, city and county, or incorporated town out of the highway users tax fund shall be accounted for as provided in this part 1.(2) A city, city and county, or incorporated town, if moneys paid from the highway users tax fund are not expended in any fiscal year, may carry over and rebudget such moneys for the succeeding year; or it may make expenditures in anticipation of receipt of these moneys and receive credit for them in the year in which the moneys are received.(3) In the event that any funds become available from the federal government for expenditure by the cities and incorporated towns in conjunction with funds which have accrued to such cities and incorporated towns for the construction, alteration, repair, or improvement of any street within the limits of said cities or incorporated towns, the city council or local governing authority of the respective cities and incorporated towns, upon the approval by the department of transportation, may use such funds which have accrued to them from the highway users tax fund for the purpose of matching the federal funds becoming available; if the city council or local governing authority of such city or incorporated town has, by proper resolution, filed in duplicate with the department of transportation and approved by said department, determined that the street construction, alteration, repair, or improvement to be performed in such city or incorporated town conforms in all respects to the requirements necessary for the use of such funds from the federal government and if all such funds becoming available are expended only as provided by law.L. 53: p. 523, § 29. CRS 53: § 120-13-29. C.R.S. 1963: § 120-13-29. L. 91: (3) amended, p. 1103, § 142, effective July 1.