When mailing federal and state tax return, must the W2 copies and receipts for gas be included?

[AnthonyC · Accepted solution]

If you are mailing your return, then you will need to attach a copy of your W2.  However, you do not need to include any receipts for gas expenses claimed on your return when you file the return.  You should hold onto them in your records and if the IRS or State ever wants proof of your expenses - then you will provide them.