Tenn. Code Ann. § 54-12-306: Contracts for improvements not to be made until after inspection, classifications, apportionment, and assessment of benefits

(a) No contracts for improvements to be done in the road improvement district shall be made until after the commissioners provided for by part 2 of this chapter have made their inspection, classifications, and apportionment as directed in part 2 of this chapter, nor until the questions of classification and apportionment and assessment of benefits have been determined and settled by the monthly county court.

(b) After the commissioners and the court have so acted, then the contracts may be made by the board of directors of the district.