9 C.F.R. § 590.142
Filing of application
An application for inspection service will be regarded as filed only when it has been:
(a) Filled in completely;
(b) Signed by the applicant; and
(c) Received in the appropriate District Office.
An application for inspection service will be regarded as filed only when it has been:
(a) Filled in completely;
(b) Signed by the applicant; and
(c) Received in the appropriate District Office.