If you have any questions about authorized warranty agreements or would like Ringrose Law to act on your behalf for your commercial real estate transaction, please contact a member of the commercial real estate team at Ringrose Law`s Boston office on 01205 311511. The assignee`s liability under the LGA ends at the end of the lease term or when the buyer leases the lease to a third party (whichever comes first). Finally, in the Coop case, AGA was considered an enforceable sub-guarantee solely on the basis of a provision of the concession to be assigned. AGMs are common in commercial real estate rentals, but it`s important for tenants to understand their impact when the lease is initially granted and with each subsequent assignment. . . .