Idaho Code § 34-1815
It shall be unlawful for any person to wilfully or knowingly circulate, publish or exhibit any false statement or representation, whether spoken or written, or to fail to disclose any material provision in a petition, concerning the contents, purport or effect of any petition mentioned in sections 34-1801A through 34-1822, Idaho Code, for the purpose of obtaining any signature to any such petition, or for the purpose of persuading any person to sign any such petition. It shall be unlawful for any person to solicit or obtain any signature on a petition without first showing the signer both the short title and the general title as defined in section 34-1809, Idaho Code, so that the signer has an opportunity to read them before signing the petition.
Any signature obtained without compliance with this section is null and void.
Idaho Code § 34-1815