3.6.1 To notify the Landlord of the affixing or display on the boundaries of the Property or on the outside of the buildings on the Property of any sign (which expression includes any sign board advertisement hoarding fascia poster placard bill notice or other notification) other than signs which:
(a) are required by law to be affixed or displayed; or
(b) do not require planning permission; or
(c) are necessary or usual for the authorised use of the Property;
3.6.2 To display and maintain upon the Property notices required inrelation to the Premises Acts and the Environment Acts.