If you follow the procedure to print and mail your tax returns all the information required will be on the Filing Instructions pages included with the federal and state tax returns - https://ttlc.intuit.com/community/printing/help/how-do-i-print-and-mail-my-return-in-turbotax-online/01/26258
In the FILE tab .... if you choose to mail in the return ... when you get to the print center the filing/mailing instructions will be part of the PDF file. Read and follow them carefully.
When you mail a tax return, you need to attach any documents showing tax withheld, such as your W-2’s or any 1099’s. Use a mailing service that will track it, such as UPS or certified mail so you will know the IRS/state received the return