Pursuant to the Urban Agriculture Incentive Zones Act, the City shall not enter into a new Contract or renew an existing Contract after January 1, 2019, unless the Urban Agriculture Incentive Zones Act is amended to permit Contracts after that date. Notwithstanding the foregoing, any Contract entered into pursuant to the Urban Agriculture Incentive Zones Act and this Chapter 53A on or before January 1, 2019, shall be valid and enforceable for the duration of the Contract.