To get more information or to enroll in EFTPS, visit the EFTPS website at www.eftps.gov or call 1-800-555-4477 (24 hours a day, 7 days a week).If you make your payment using EFTPS, do not include the payment voucher.
DDA stands for demand deposit account. It is a bank account in  which you can deposit and withdraw money. A form of a demand  deposit account is a checking account.
Doing Business As (DBA) Definition: The operating name of a company, as opposed to the legal name of the company. Some states require DBA or fictitious business name filings to be made for the protection of consumers conducting business with the entity. . A company is said to be doing business as when the name under which they operate their business differs from its legal, registered name. Some states require dba or fictitious business name filings to be made for the protection of consumers conducting business with the entity.