All language in every MOU specifically states that UNLESS the terms and conditions of the NMFA, are altered, those articles remain in effect. It also states that those changes become part of the NMFA. As far as "snap back", it was never specifically eliminated, and therefore remains in full force and effect.
21. Current Ownership. If a Change of Control of Employer (as defined below) occurs other than through a confirmation of a plan of reorganization in a Chapter 11 proceeding, this Revised Plan is automatically terminated and wages reverted to full NMFA on a prospective basis unless the Union agrees in writing to continue the Revised Plan, any unvested stock options (or stock appreciation rights) pursuant to Section 11 shall be cancelled and forfeited and all other provisions of this Revised Plan shall be null and void on a prospective basis, including Section 3. For the purposes of this Section 21, a “Change of Control,” shall be deemed to have taken place if a third person, including a “group” as defined in Section 13(d)(3) of the Securities Exchange Act of 1934, as amended, purchases or otherwise acquires shares of YRCW after the date of this Agreement that, together with stock held by such person or group, constitutes more than 50 percent of the total voting power of the stock of YRCW where the current directors of YRCW (or directors that they nominate or their nominees nominate) no longer continue to hold more than 50% of the voting power of the board of directors).