# BR-CO-16 — Amount due inconsistent

> https://billhorse.com/en/rules/br-co-16/

## What does this error mean?

BT-115 = BT-112 − prepaid (BT-113) + rounding (BT-114).

## How to fix it

Declare prepayments explicitly in BT-113 — otherwise the amount due won't match the total.