Any ordinance amending a fuel tax ordinance enacted pursuant to this chapter must include a provision in substance that the county shall amend the contract made under paragraph (d) of subsection 1 of NRS 373.070 by a contract made between the county and the State acting by and through the Department before the effective date of such amendatory ordinance, unless the county determines with the written concurrence of the commission that no such amendment of the contract is necessary or desirable.
NRS 373.075