23 CFR 751.19 - Documentation for Federal participation.
The following information concerning each eligible junkyard must be available in the States' files to be eligible for Federal participation in the costs thereof:
(b) Value or cost documentation (including separate interests if applicable) including proof of obligation or payment of funds.
(c) Evidence that the necessary property interests have passed to the State and that the junk has been screened, relocated, removed or disposed of in accordance with the provisions of this part.
(d) If a dwelling has been acquired by condemnation, evidence that the costs involved are not included in the State's claim for participation.