Sec. 2. 21-A MRSA §673, sub-§1, as amended by PL 1997, c. 436, §96, is further amended to read:

1. How made. The challenge must be made to the warden. The challenger must state in the form of a signed affidavit setting forth, under oath administered by the warden, the challenger's name, address, party affiliation, status as a registered voter in the municipality, the name of the voter challenged and the reason for the challenge, the reason the particular individual being challenged may be ineligible to vote, the specific source of the information or personal knowledge upon which the challenge of the particular individual is based and a statement that the challenger understands that making a false statement on the affidavit is punishable under penalties of perjury.

A. A voter may challenge another voter only upon personal knowledge or a reasonably supported belief that the challenged voter is unqualified. Only the following reasons for challenges may be accepted by the warden. The challenged person:

(1) Is not a registered voter;

(2) Is not enrolled in the proper party, if voting in a primary election;

(3) Is not qualified to be a registered voter because the challenged person is not:

(a) At least 18 years of age;

(b) A citizen of the United States; or

(c) A resident of the municipality or appropriate electoral district within the municipality;

(4) Did not properly apply for an absentee ballot;

(6) Did not properly complete the affidavit on the absentee return envelope;

(7) Did not cast the ballot or complete the affidavit before the appropriate witness;