(e) Number of invalid requests for a referendum. An invalid request for referendum includes, but is not limited to the following:
- (1) Form LS-51-1 is not signed or all required information has not been provided;
- (2) Form LS-51-1 and supporting documentation returned in-person or by facsimile was not received by the last business day of the Request for Referendum period;
- (3) Form LS-51-1 and supporting documentation returned by mail was not postmarked by midnight of the final day of the Request for Referendum period;
- (4) Form LS-51-1 and supporting documentation returned by mail was not received in the county FSA office prior to canvassing of the ballots;
- (5) Form LS-51-1 or supporting documentation is mutilated or marked in such a way that any required information on the form is illegible; or
- (6) Form LS-51-1 and supporting documentation not returned to the appropriate county FSA office.