1. (a) A business organization shall be granted an automatic 7 month extension of time to file a return provided the business organization has paid 100% of the tax determined to be due by the prescribed payment date.
2. (b) A business organization which has not paid the tax determined to be due through estimated payments shall pay the additional amount due on or before the prescribed payment date by completing and filing Form BT-EXT, “Payment Form and Application for 7-Month Extension of Time to File Business Tax Return”.
3. (c) Extensions shall be automatically denied for non compliance with (a) and (b), above.
4. (d) An extension of time for filing a business profits tax return shall not extend the time for the payment of the tax.
5. (e) Payments not made by the prescribed payment date shall be subject to the interest and penalty provisions of RSA 21-J.

Source. #2012, eff 5-5-82; ss by #2722, eff 5-23-84; ss by #4192, eff 12-23-86; ss by #5490, eff 10-19-92; ss by #6853, eff 9-23-98; ss by #8709, eff 8-25-06; ss by #10758, eff 1-16-15 (from Rev 307.08); ss by #14231, eff 4-3-25, EXPIRES 4-3-35