Your firm may designate Authorized
Users, individuals who will be authorized to perform
TIN Matching in e-services.
Add the users to whom your firm wishes to delegate authority.
Choose a role for this user from the following list:
- Delegated User
An individual in the firm who has been authorized to perform
- Authorized Agent
An individual in the firm or another firm who has
been authorized to perform TIN Matching on clients of the
- Responsible Official
Someone designated by a Principal to perform all the TIN
Matching duties of a Principal, including modifying a TIN
A corporate officer such as President, Vice-President, Secretary,
or Treasurer, or Partner. Principals are the individuals
within the firm held legally responsible by the IRS for
the activities of the firm.