- QuickBooks Support—Visit the corporate support website for QuickBooks.
- Internal Revenue Service—An online resource to the latest tax law.
- Massachusetts Department of Revenue—An online resource to Massachusetts state tax law.
- New Hampshire Department of Revenue Administration—An online resource to New Hampshire state tax law.
Online Tax Payments
- Pay Federal Taxes—PAY1040.com allows you to pay your Federal income taxes electronically.
- Pay or File Massachusetts Taxes—Allows individuals and business to pay or file electronically. Individual - Business
- Pay or File New Hampshire Taxes—Allows businesses to pay or file electronically.