first_let_not_social:"Reason for vacancy cannot be first let if unit has been previously let as social housing"
first_let_social:"Reason for vacancy must be first let if unit has been previously let as social housing"
previous_let_social:"Property cannot have a previous let type if it is being let as social housing for the first time"
non_temp_accommodation:"Vacancy reason cannot be \"Relet to tenant who occupied same property as temporary accommodation\" if previous tenancy is a non temporary accommodation"