Aatrix eFile Center
Enroll for eFiling

Create an eFile account to eFile reports from your accounting software to the eFile Center. You will also use this account to access this site to review filing history and status, maintain company information, set up and manage your calendar, and much more! To start today, follow the instructions below to create your account.

REQUIRED. A unique username is required when registering for eFiling. Your username should reference your company and not an individual as it cannot be changed once it is created. Usernames must be at least 8 characters long. The username is used to access this site and to eFile reports from your accounting software to the eFile Center.
REQUIRED. A password is required for security purposes. Passwords are case sensitive and must be at least 5 characters.
REQUIRED. Re-enter the same password as above to ensure you entered it correctly. Passwords are case sensitive and must be at least 5 characters.
Login Information

Create your company's username and password.


REQUIRED. If you are enrolling to eFile for only your company/employer select this option.
REQUIRED. If you are a Tax Preparer and are enrolling to eFile for multiple companies/EINs select this option.
REQUIRED. Enter the name of the accounting software you are using to submit your reports.
Account Information



REQUIRED. Please enter your first name and last name in the contact box.
REQUIRED. Please enter your email address.
REQUIRED. Re-enter the email address above to ensure that you typed it correctly.
REQUIRED. Please enter office phone number.
OPTIONAL. If you would like to receive text/SMS alerts please fill in your cell phone number.
OPTIONAL. If you would like to receive text/SMS alerts please choose your cell phone provider.
OPTIONAL. Check this box if you want to receive text/SMS from Aatrix.
OPTIONAL. Check this box if you want to receive marketing email from Aatrix.
Contact Information

Enter contact information to be used if the eFile Center needs to contact you.

The eFile Center can send you text/SMS reminders about important events such as filing rejection alerts and tax compliance calendar reminders. Enter your cell phone number and provider information to enable this functionality.


REQUIRED. A 9 digit number for businesses.
REQUIRED. Re-enter the same Business Number as above to ensure you entered it correctly. The Business Number must be a 9-digit number.
REQUIRED. Enter the company's 9-digit Federally-issued Employer Identification Number (EIN). If you are a CPA firm make sure to use the CPA Firm's EIN, do not use a client's EIN.
REQUIRED. Re-enter the same EIN as above to ensure you entered it correctly. EINs must be a 9-digit number.
REQUIRED. Select a two letter Program Identifier.
REQUIRED. Enter the company's 4 digit Reference Number.
REQUIRED. Enter the Company Name.
REQUIRED. Enter the first line of the company's street address.
OPTIONAL. Enter the second line of the company's street address.
REQUIRED. Enter the City, State and ZIP Code of the company's street address. Enter this value as you normally would.

EXAMPLE: Grand Forks, ND 58201
REQUIRED. Enter the city, province, and postal code of this company. Enter this value as you normally would.

EXAMPLE: Winnipeg, MB R3G 0L6
OPTIONAL. This company's 4 digit RC program identifier.
OPTIONAL. This company's 4 digit RM program identifier.
OPTIONAL. This company's 4 digit RP program identifier.
OPTIONAL. This company's 4 digit RT program identifier.
OPTIONAL. This company's 4 digit RZ program identifier.
Tax Preparer Information

Enter the tax preparer information.


REQUIRED. A 9 digit number for businesses.
REQUIRED. Re-enter the same Business Number as above to ensure you entered it correctly. The Business Number must be a 9-digit number.
REQUIRED. Enter the company's 9-digit Federally-issued Employer Identification Number (EIN). If you are a CPA firm make sure to use the CPA Firm's EIN, do not use a client's EIN.
REQUIRED. Re-enter the same EIN as above to ensure you entered it correctly. EINs must be a 9-digit number.
REQUIRED. Select a two letter Program Identifier.
REQUIRED. Enter the company's 4 digit Reference Number.
REQUIRED. Enter the Company Name.
OPTIONAL. Enter the Company Trade/DBA Name.
REQUIRED. Enter the first line of the company's street address.
OPTIONAL. Enter the second line of the company's street address.
REQUIRED. Enter the City, State and ZIP Code of the company's street address. Enter this value as you normally would.

EXAMPLE: Grand Forks, ND 58201
REQUIRED. Enter the city, province, and postal code of this company. Enter this value as you normally would.

EXAMPLE: Winnipeg, MB R3G 0L6
REQUIRED. Enter the number of employees/recipients currently working for this company.
OPTIONAL. This company's 4 digit RC program identifier.
OPTIONAL. This company's 4 digit RM program identifier.
OPTIONAL. This company's 4 digit RP program identifier.
OPTIONAL. This company's 4 digit RT program identifier.
OPTIONAL. This company's 4 digit RZ program identifier.
Company Information

Enter the company information.


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