When expressly authorized by a provision of this chapter and the conditions of paragraph (a) or (b), or both, of subsection 2 of NRS 271.306 are satisfied, the engineer may prepare a document required by this chapter without the prior direction of the governing body, and the governing body may ratify the document by ordinance or resolution upon determining that the document is satisfactory. The determination of the governing body is conclusive.
NRS 271.307