1-17-6. Referendum petitions; form of certificate. The back of each page of every referendum petition containing the signatures shall bear the following certificate executed by the person who circulated that page of the referendum petition:
"STATE OF NEW MEXICO
COUNTY OF ............
I, ........., do hereby certify that the signatures appearing on the front hereof were signed in my presence; that to the best of my knowledge and belief each such signature is genuine; and that the person so signing is a qualified elector in the county named on this page.
................................................................
(signature of person soliciting
signatures for petition)
................................................................
(post-office)".