Give this Form to the requestor or the department you are doing business with.
Line 1: name is required on this line; do not leave this line blank.
Tax classification: check only one of the following seven boxes.
TIN match: the TIN provided must match the name given on line 1 to avoid backup withholding.
Which number: for individuals, this is generally your social security number (SSN). For other entities, it is your employer identification number (EIN).
Backup withholding: if you do not return Form W-9 to the requester with a TIN, you might be subject to backup withholding.
| Question | Answer |
|---|---|
| Form Name | Massachusetts Substitute Form W-9 |
| Form Length | 6 pages |
| Fillable? | Yes |
| Fillable fields | 44 |
| Avg. time to fill out | 8 min |
| Edition | Rev 4-2022 |
| Other names | Form W-9, W-9, W9, Massachusetts Substitute Form W-9, Request for Taxpayer Identification Number and Certification |
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