Interested in Language
I introduce Rules (in order) for X Company to adapt to, whose content is defined by Enclosure No.1 to this Directive.
By "I introduce Rules (in order) for X Company to adapt to", I mean "I introduce Rules in order that / so that X Company can / will / should adapt to them.
Am I on the right track?
You want the company to take your suggested rules and make them official company rules that they will then follow?
"I am introducing rules for X Company to adopt."