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News & Alerts
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ATTENTION: COMBINED CORPORATE EXCISE TAX FILERS
Automatic extension is seven months. Tax year end 12/31/11 would have an extended due date of 10/15/2012. For all other corporate excise tax filers, an automatic extension is six months. See Directive 11-5 for details. |
| Getting Started in Massachusetts |
Get a Tax ID
Prior to registering your business with the Department of Revenue, you will first need an IRS issued Employer Identification Number for your business.
If you don't already have one, get it using the IRS EIN Assistant.
Register Online
Register your business or service company and create an account to use WebFile for Business to manage your
Massachusetts state tax obligations.
EFile
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Small Business Workshops
We invite you to attend one of our free Small Business Workshops designed for the tax novice. They cover many topics important to new
business owners including:
- Registering your business with DOR using WebFile for Business
- Meeting employer responsibilities
- Reporting business income
- Filing sales and use tax returns
- Filing and payment procedures
Register online to attend.
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| For Businesses |
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For Tax Professionals |
Online Services
You can completely manage your tax profile and obligations online. Log in with your WebFile account to file returns, make payments and more.
Click here to request a Certificate of Good Standing.
Click here to verify sales tax resale certificates.
Get a Status Update
Check on the status of a request you've previously submitted. You will need your User Name and Reference Number.
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Why Register?
Learn more about what professional tax preparers can do with WebFile for Business.
Register your business to get started.
Online Services
Log in with your WebFile account to file your clients' taxes, make payments on their behalf and more.
Click here to request a Certificate of Good Standing.
Click here to verify sales tax resale certificates.
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| For Payroll Service Providers |
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For Software Developers |
Online Services
File your clients' taxes in bulk, make payments on their behalf and more.
To transfer files larger than 2 MB you must use the Secure Shell Protocol (SSH). Click
here for more information about SSH.
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Technical Information
Get information for file format specifications, schemas, forms, health care information, and more.
Approved Software Vendors
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, DPF
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