If you are not yet registered to Business My Account, as part of the registration process you will need to send an access request to the Account Administrator.
If you are already a part of Business My Account, you will need to send an access request to the Account Administrator. Log in to Business My Account and go to the “Manage My Account” tab. Select Link/Unlink Accounts and enter the account information. An email will be sent to the administrator informing them that you would like access to the account.