Alienation Alienation is a once and for all breach, in respect of which, see Scala House and District Property Co Ltd v Forbes, CA in which Russell LJ stated: ‘The subterm has been effectively created subject only to risks of forfeiture: it is a complete breach once for all: it is not in any sense a continuing breach.’ Accordingly, it was the finality of creating a new legal interest which led the court to determine that this was in the nature of a once and for all breach. Parting with possession Whether parting with possession is a once and for all or continuing breach is less clear. The ambit of the term ‘parting with possession’, as opposed to sharing of occupation, was discussed in some depth in the case of Ansa Logistics Ltd v Towerbeg Ltd and Ford Motor Co Ltd, in which Floyd J stated that: ‘The acid test for possession, as contrasted with mere occupation, lies in the right of the person in occupation