9 C.F.R. § 205.204
(b) Countermeasures against falsifications, errors or omissions in such notices or in the handling of them by the system operator, such as requirements that the notices be on paper and signed, with copies date-stamped and returned to the persons filing them, however advisable they might be from other standpoints, are discretionary with the State and not required by the Section.
(Approved by the Office of Management and Budget under control number 0580-0016)
[51 FR 29451, Aug. 18, 1986, as amended at 71 FR 56343, Sept. 27, 2006]