With respect to any proceeding that would result in the annexation to a city of land that is subject to a contract executed pursuant to the Williamson Act (Chapter 7 (commencing with Section 51200) of Division 1), for which the commission has determined pursuant to Section 56754 that the city may exercise its option to not succeed to the contract, the commission shall include within its resolution ordering the annexation of the territory a finding regarding whether the city intends to not succeed to the contract.