Before a company can start collecting ACH direct debits from a customer, it must obtain an ACH collection authorization from them. Online – Your customer can issue the authorization online. Online authorizations apply to direct debits WEB. Automatic notification of authorization to your customers before making online payments ACH Collection Authorization uses digital authorization forms that are hosted on the Internet. As with their counter-piece, online authorization forms do not have a standard format or layout, but must contain several key elements (see above). There is no standardized format for an ACH authorization form, but each requires a number of mandatory elements. .