BACS File Generation Guide

What it does

BACS file generation creates Standard 18 format files that you submit to your bank for processing Direct Debit payments. It also supports AUDDIS files for new mandate instructions and ARUDD imports for failed payments.

Key actions

Generate Standard 18 BACS submission files
Generate AUDDIS files for mandate setup
Import ARUDD files for failed payment notifications
Download files for bank submission
Configure BACS service user details in settings

Getting started

Go to Direct Debit > Settings to configure your BACS service user number and details. Then generate files from the Collections page.

Agent-First CLI

Agents and developers can perform these actions via the numbors CLI or MCP tools — no UI needed.

> numbors do "Show direct debit collections"

BACS file generation and collection history

Install: npm install -g numbors · Full API reference