Effective July 22, 2011, quarterly filers must file and pay their taxes electronically using E-file. For more information, see our mandatory e-file page
For delinquent taxes paid on or after August 1, 2015, new penalty rates apply (9%, 19%, 29%). See Special Notice - Late Payment Penalties Increase
for additional information.
For instructions to file past returns, call 1-800-647-7706 or e-mail us.