Autocomplete rule to default Tax Reporting Unit based on Legal Employer while Creating offer.

Summary:

We are trying to create an ACR to default Tax Reporting Unit based on Legal Employer while creating or Editing Job offer in ORC. We have created the rule referencing the ACR present in Payroll terms present in this below link

But the rule doesnt seem trigger for some reason. Can someone please point out the part of code which we would need to change.

Code Snippet:

Here's the ACR

Note: We have also received approval for this Use case.