 Secretary of State John Thurston said sponsors did not submit two specific pieces of paperwork, a list of paid canvassers, and a document proving the canvassers had access to the signature gathering handbook. The amendment was sponsored by a group called Arkansans for Limited Government, who said they had collected over 101,000 signatures. The amendment would have legalized abortion up to 18 weeks of pregnancy and made exceptions for abortion in the case of rape, incest, or danger to the life of the mother. In a statement, the group said their legal team is reviewing the letter. For NPR News, I'm Josie Lenora in Little Rock.