You can find this note for sale at:
With all authority of the Atom Cats, this highly official certificate grants ownership of one Power Armor frame from the Atom Cat's Garage. Whoever gets their mitts on this certificate has rights to the suit. So don't lose it, knucklehead.
This Power Armor is certified pre-owned by Commonwealth Weaponry. It is sold as-is. Commonwealth Weaponry is not liable for any deficiencies, defects, or after-sale damage.
You are authorized to use this Power Armor frame for MAXIMUM CARNAGE!
Requisition Form PRF-098700
This form authorizes the release of a Power Armor frame from the Prydwen's repair bay. Unauthorized use of this form is prohibited and subject to severe penalties.