definiens: or shall mean the Landlord andlor the Tenant but except where there is an express indication to the contrary shall exclude the Guarantor 3.13 has the meaning given by section 55 Town and Country Planning Act 1990 3.14 Any reference to a specific statute includes any statutory extension or modification or re - enactment of such statute and any regulations or orders made thereunder and any general reference to or includes any regulations or orders made thereunder 3.15 The relevant perpetuity period shall be the term of this Sub - Underlease 3.16 The clause headings do not form part of this Sub - Underlease and shall not be taken into account in its construction or interpretation 4 . Demise 4.1 The Landlord demises to the Tenant the Premises together with the rights specified in schedule 2 but excepting and reserving to the Landlord and the Superior Lessor and all others entitled thereto the rights specified in schedule 3 to hold the Premises to the Tenant . for the Term subject to all rights easements privileges restrictions covenants and stipulations of whatever nature affecting the Premises including the matters contained or referred to in the documents specified in schedule 6 yielding and paying to the Landlord : ( a ) Rent payable without any deduction by equal lIIItil payments in advance on the usual [ IIi1L.l in every year, and proportionately for any period of less than a year the first such payment being a proportionate sum in respect of the period from and including the Rent Commencement Date to and including the day before the [ [ tlltfff, al next thereafter to be paid on the date hereof and CONFIDENTIAL TREATMENT REQUESTED BY A VIRON [ ) -CERTAIN CONFIDENTIAL INFORMATION CONTAINED IN THIS DOCUMENT, MARKED BY BRACKETS, IS FILED WITH THE SECURITIES AND EXCHANGE COMMISSION PURSUANT TO RULE 24B-2 OF THE SECURITIES ACT OF 1934, AS AMENDED