Newly added/edited check payment accounts are live immediately after being associated to an event. Newly added/edited direct deposit/ACH payment accounts become live in the subsequent payment period after validation is complete, after the payment account is associated to an event.

Example: Account validated July 25th is used for payment issued for period August 1st - August 15th
Note: Standard pay periods run from 1st to 15th, 16th to month end