What are the formality requirements for assigning a commercial lease? There are three main formalities for assigning a lease. First, the contract for the assignment of a lease needs to be made in writing, signed, incorporating all the terms which the parties have expressly agreed in one document or, if contracts are exchanged, in each document (section 2 of the Law of Property (Miscellaneous Provisions) Act 1989 (LP(MP)A 1989). Second, the assignment of a lease must be made by way of a deed, even if the lease itself was created orally (section 53 of the Law of Property Act 1925; Crago v Julian. Third, if the lease being assigned is a registered lease, the assignment must be completed by registering it at HM Land Registry (section 27(1)(a) of the Land Registration Act 2002 (LRA 2002). Equally, if