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Business Forms

Form Description
Business Certificate Certificate of Conducting Business Under An Assumed Name for an Individual (also known as a DBA certificate) Completion and Filing Instructions click here
Business Certificate For Partners Certificate of Conducting Business as Partners (2 or more owners) Completion and Filing Instructions click here
Amended Business Certificate Certificate for amending the facts recited in the original certificate Completion and Filing Instructions click here
Amended Business Certificate for Partners Certificate for amending the facts recited in the original certificate for partners Completion and Filing Instructions click here
Certificate of Discontinuance Certificate for discontinuing a business Completion and Filing Instructions click here
Certificate of Discontinuance of Business Partners Certificate for discontinuing a business for partners Completion and Filing Instructions click here

Suffolk County Government

H. Lee Dennison Bldg

100 Veterans Memorial Hwy
P.O. Box 6100
Hauppauge, NY 11788

Riverhead County Center

County Road 51
Riverhead, NY 11901