Do not mail this form to the Division of Taxation.
Required information: name and address of purchaser; New Jersey taxpayer identification number; type of organization for which the work is being performed.
Signature: required if using a paper exemption certificate (including fax).
Other states: governmental agencies, instrumentalities, or political subdivisions of states other than New Jersey do not qualify for exemption.
Retention: certificates must be retained by the seller for four years from the date of the last sale covered by the certificate.
Blanket certificates: to use this form as a blanket certificate, check the applicable box at the top of the form.
| Question | Answer |
|---|---|
| Form Name | ST-13 |
| Form Length | 2 pages |
| Fillable? | Yes |
| Fillable fields | 34 |
| Avg. time to fill out | 6 min |
| Edition | 5-24 |
| Issuing agency | New Jersey Division of Taxation |
| Who signs | Contractor or authorized employee |
| Matches the agency's file | Yes, checked October 2, 2026 |
| Other names | ST-13, ST13, ST 13, NJ ST-13, New Jersey ST-13, Contractor's Exempt Purchase Certificate |
| Official source | ST-13 (Rev 5-24), New Jersey Division of Taxation |
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