Set up bank verification once; ACH funding runs automatically each payroll.
2 articles
Direct deposit is an Automated Clearing House (ACH) transaction — money moves between banks on a settlement schedule set by NACHA, the network operator. This article explains the timeline for a normal payroll and the cases where it matters.
When a direct-deposit credit cannot be applied to an employee's account, the receiving bank returns the transaction with a code that explains why. NACHA defines about eighty return codes; in payroll, the same handful come up over and over. This article is the reference list for the common ones.