This functionality is setup payment term for pre-need invoice.
Selecting a payment term as pre-need will check the "Pre-Need" checkbox in the sales order header as 'Y'.
Will activate when creating a NEW Order Header record, after the Terms code is selected. Pre-Need checkbox will respond to terms code selected. a. If terms code is cleared, Pre-Need sets back to N/Null.
If EDITING an existing Order Header record, and the user changes the terms code, will only apply if Pre-Need checkbox is N/Null.
N/NULL to Y is allowed Y to N/NULL is NOT allowed.