5.3 The Deposit (or such balance as remains after its partial application under the preceding paragraph) shall be returned, without interest, to the Tenant within thirty (30) Business Days after the later of the Expiry Date and the date on which all outstanding charges for utilities, maintenance and other services relating to the Lease Premises have been paid, unless the Lease Period is extended or renewed, in which case the Deposit shall be retained and applied by the Owner during the extension or renewal and returned within the same period following its expiry.