ACH Processing Requirements
ACH Effective Date Process 2 days*
Prior by 3:00 pm
If Processing Day is a Federal Holiday **
Friday Wednesday Tuesday
Thursday Tuesday Monday
Wednesday Monday Friday of Prior Week
Tuesday Friday of Prior Week Thursday of Prior Week
Monday Thursday of Prior Week Wednesday of Prior Week
Example: If you want an ACH transfer to be effective on Friday, you have to submit it by 3:00 pm, Wednesday. If Wednesday is a Federal Holiday, you have to submit it one day earlier, Tuesday, before 3:00pm.
* As an emergency/backup we can process one (1) day prior to the effective date.  Some Banks and Credit Unions do not process their received transactions until later on the effective date, making funds available to recipients as much as 1 day late.

** No ACH processing may be done on a Federal Holiday. ACH files are not collected or posted to accounts on these days.

Chemical Bank offices are closed on the following Federal Holidays:
New Year's Day
Memorial Day
Independence Day
Labor Day
Thanksgiving Day
Christmas Day

Chemical Bank offices are open on the following Federal Holidays:
Veterans Day
Martin Luther King's Birthday
President's Birthday
Columbus Day

For holidays falling on Sunday, the holiday is observed the following Monday.