SECTION 1. The subsection of Article 5, Section 1, of the Arkansas Constitution titled "Amendment of Petition" is amended to read as follows:

Amendment of Petition. (a)(1) If the Secretary of State, county clerk or city clerk, as the case may be, shall decide any petition to be insufficient, he or she shall without delay notify the sponsers sponsors of such petition, and permit at least thirty (30) days from the date of such notification, in the instance of a state-wide petition, or ten (10) days in the instance of a municipal or county petition, for correction or amendment.

(2) For a state-wide petition, correction or amendment of an insufficient petition shall be permitted only if the petition contains valid signatures of legal voters equal to:

(A) At least seventy-five percent (75%) of the number of state-wide signatures of legal voters required; and

(B) At least seventy-five percent (75%) of the required number of signatures of legal voters from each of at least fifteen (15) counties of the state.

(b) In the event of legal proceedings to prevent giving legal effect to any petition upon any grounds, the burden of proof shall be upon the person or persons attacking the validity of the petition.