23 C.F.R. § 669.9
The certification shall consist of the following elements:
(b) The certifying statement required by paragraph (a) of this section shall be worded as follows:
I (name of certifying official), (position, title), of the State of ( ), do hereby certify that evidence of payment of the heavy vehicle use tax pursuant to section 4481 of the Internal Revenue Code of 1954, as amended, is being obtained as a condition of registration for vehicles subject to such tax in accordance with 23 U.S.C. 141(c) and applicable IRS rules. This certification is for the period ( ) to ( ).
[51 FR 25364, July 14, 1986, as amended at 75 FR 43409, July 26, 2010]