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                                           Maryland Department of Assessments and Taxation 
                                                Business Personal Property Division 
                                   APPLICATION FOR IDENTIFICATION NUMBER 
                           SOLE PROPRIETORSHIP OR GENERAL PARTNERSHIP  

This form is to be completed by unincorporated businesses that            do not have an identification (“L”) number, 
including rental condo owners, and should be submitted to             the Department of Assessments and Taxation,                 301 
W. Preston Street, Baltimore, Maryland 21201.

The information furnished below will be used to determine whether              the business needs an identification 
number with this Department for personal property assessment purposes. If you have any questions, please 
call (410) 767-1170 or toll        free in Maryland 1-888-246-5941. 

Name(s) of owner(s): 

Federal ID Number. If none, Social Security Number of owner(s):            

Federal Principal Business Code                 Number: 

*Trading as  name:

* Trade Name must be registered. See Trade Name application and registration under Forms and Applications, on the website
https://dat.maryland.gov

Mailing  address: 

Business location: 
                           (Street Number & Name, Town and County  [or Baltimore city])  

Nature of  business:  

Is the business currently active?                     When was the business    started?     
Was the business started           new?   
If no, list the name and address of             the previous owner:   
Was the previous owner incorporated?  
If yes, provide Department ID number   if known:   
Does the business need a trader’s, construction, or other license?   
Does the business currently own/lease or use personal property (furniture, fixtures, equipment,         tools, 
machinery,  etc.)?    
If yes, what is the approximate value of the personal property owned/leased/used by         the business?__________ 
If no, do you anticipate owning/leasing/using personal property in the future?  

Owner Signature &  Date:  

Owner Signature &  Date:  

Business’ Telephone  Number:                                    Email Address: 
BPP Form 20; Replaces form AT3-73, October 2018 

    SDAT_BPP Form 20                                                                        Page 1 of 1   https://dat.maryland.gov






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