The scale of the local election booklet botch-up appears more widespread than first feared, a Wellington law firm says.
Franks & Ogilvie is representing a client who is offering rewards of up to $1500 to people finding the highest number of booklets containing errors.
Cash rewards are also being offered to whistleblowers who can provide evidence on whether there has been a cover-up, when the problem was first known, and what happened next.
The firm said it had received dozens of emails and phone messages from around the world reporting mistakes, including one person living in London who was reportedly sent an Auckland booklet missing 18 pages.
"It appears that the problem could be ,'' said Stephen Franks, a principal of the firm.