"Banks might reject the payment files that are due for processing on a weekend or a holiday."
What could happens not payments file other result making materials before another sunday instead another holiday?
Banks might reject the payment files, and the payer might incur extra charges when the payment date changes. Banks might reject the payment files, and the payer might incur extra charges when the payment date changes. Banks might reject the payment files, and the payer might incur extra charges when the payment date changes.