Procurement Contract Variation Templates - Schedule of Changes

Hi, we are running 12.1.3 and implementing Procurement Contracts module.  I am looking for assistance on the best way to handle a basic contract variations, with a Schedule of Changes attached.

Options:

1. To adjust the clauses through Manage Contract Terms, this isn't favoured by the business as they are used to using a different agreement.

2. I can setup using Contract Variation Template with Clauses, Sections and Variables.  Schedule at the end setup as a clause with variables referencing the changes to original clauses

I see there is an additional layout template that’s in Contracts module that is named Contract Terms Include Template as says in the description that this is used within another template.  Would