You have these options to submit Power of Attorney (POA) and Tax Information Authorization (TIA).
Submit authorization request to taxpayer's online account.
 All-digital submission 
 Electronic signature 
 Real-time processing
Submit Forms 2848 and 8821 online to the IRS.
 Secure form upload 
 Electronic or handwritten signature 
First-in, first-out processing
If you can’t use an online option, you can fax or mail authorization forms to us.
 Paper forms by fax or mail 
 Handwritten signature only 
First-in, first-out processing
Get forms and instructions to submit by fax or mail: