Русско-англо-русский юридический словарь

voting slip: a piece of paper on which people mark who they want to vote for in an election and then put into a box in order to vote for that person (Cambridge Advanced Learner's Dictionary & Thesaurus)

On entering your polling station you will need to provide your name and address, after which you will be given a voting slip.

Head to a booth and mark your cross against the candidate you wish to vote for.

Keep your voting slip private, fold it and place it in the ballot box. (The Sun)

Keep your voting slip private, fold it and place it in the ballot box. (The Sun)