1248. Procedural matters concerning the right to acquire a new lease.

Where a tenant1 who has the right2 to acquire an extended lease gives the landlord3 notice4 of his desire to have it, the procedure for giving effect to the notice, and the rights and obligations of all parties in relation to the investigation of title and other matters arising in giving effect to the notice, are5 such as may be prescribed by regulations made by the appropriate national authority6. Subject to or in the absence of provision made by any such regulations as regards any matter, the parties' rights and obligations are, as regards any matter, as nearly as