Consider the following statements with reference to Voter-Verified Paper Audit Trail (VVPAT):

1. It is intended as an independent verification system for voting machines designed to allow voters to verify that their vote was cast correctly.

2. It contains the name of the candidate for whom the vote has been cast and the symbol of the party or individual candidate.

3. VVPAT machines can be accessed by polling officers only.

Which of the statements given above are correct?