6. For the purposes of the Transfer of Undertakings (Protection of Employment) Regulations 1981F1 Article 4 shall be regarded as effecting a transfer to which those regulations apply of the whole of the transferor's undertaking, including any part of it which is not in the nature of a commercial venture; and accordingly in those regulations, as they apply in relation to such a transfer, references to the undertaking apply to all activities (of whatever description) carried on before the transfer by the transferor.