# Account & Billing

## Articles

### [What is the ACH Return Rates Report?](https://support.dwolla.com/s/article/What-is-the-ACH-Return-Rates-Report)

### [Why is my master account suspended?](https://support.dwolla.com/s/article/Why-is-my-master-account-suspended)

### [How long does it take to review my submitted application?](https://support.dwolla.com/s/article/How-long-does-it-take-to-review-my-submitted-application)

### [How can I change the controller information on our primary account?](https://support.dwolla.com/s/article/How-can-I-change-the-controller-information-on-our-primary-account)

### [If I initiate one mass payment that includes 20 individual transfers, will I be billed for one transfer or 20 transfers?](https://support.dwolla.com/s/article/If-I-initiate-one-mass-payment-that-includes-20-individual-transfers-will-I-be-billed-for-one-transfer-or-20-transfers)

### [How can we update the preferred/DBA name on our primary account?](https://support.dwolla.com/s/article/How-can-we-update-the-preferred-DBA-name-on-our-primary-account)

### [How can I add sub-users from my team to access the Dwolla Dashboard?](https://support.dwolla.com/s/article/How-can-I-add-sub-users-from-my-team-to-access-the-Dwolla-Dashboard)

### [How to change the email address associated with the master account in the Dwolla Dashboard.](https://support.dwolla.com/s/article/How-to-change-the-email-address-associated-with-the-master-account-in-the-Dwolla-Dashboard)

### [How to customize operational notification email settings in the Dwolla Dashboard.](https://support.dwolla.com/s/article/How-to-customize-operational-notification-email-settings-in-the-Dwolla-Dashboard)

### [Can I add sub-users (team members) to my sandbox account?](https://support.dwolla.com/s/article/Can-I-add-sub-users-team-members-to-my-sandbox-account)