6.2Legal and Other Restrictions of Tenant’s Use.Tenant shall not conduct any activity on the Premises which is improper or offensive or which causes any noise, odor, or vibration to be emitted from the Premises. Tenant shall not introduce into or dispose of any materials other than domestic sewage in the plumbing system serving the Premises or the Building. Tenant shall use the Premises in compliance with all applicable laws, statutes, ordinances, by-laws, rules, regulations, and restrictions, and with the requirements of all governmental approvals, licenses, and permits relating to the land, the Building, or the Premises whether now or hereafter, in effect (hereinafter collectively referred to as “Legal Requirements”).
In addition, Tenant shall obtain, keep in force, and comply with all requirements of all governmental approvals, licenses, and permits required for Tenant’s specific use of the Premises as set forth in this Article 6 (if any). Without limiting the foregoing, Tenant agrees not to use, generate, treat, store, or dispose of “oil” or “hazardous materials,” as defined in M.G.L. c. 21E, on the Premises, anywhere in the Building, or on the land. Tenant shall indemnify, defend (with counsel reasonably satisfactory to Landlord) and hold Landlord harmless from ad against all claims, liabilities, losses, damages, costs, and expenses arising from such use, generation, treatment, storage, or disposal by Tenant, or by anyone claiming under Tenant, which indemnity shall survive the termination or expiration of this Lease.
6.3Signs. Tenant shall not place on the exterior of the Building or Premises any signs other than those which shall first have been approved by Landlord, which must be in writing. Each sign must comply with all applicable governmental laws, ordinances, and regulations. During the term of this Lease, Tenant shall maintain said signs in a good state of repair and shall save Landlord harmless from any loss, cost, or damage that may occur as a result of the maintenance of said signs or the lack thereof. Unless otherwise directed by Landlord, at the end of the term, the Tenant shall remove said signs at its sole cost and expense and shall repair any material damage resulting from such removal. Notwithstanding the foregoing, Tenant may, at its sole cost and expense and in compliance with this paragraph, install a sign at the entrance to its Premises and Landlord will include Tenant’s name in the lobby directory.
ARTICLE 7 – ASSIGNMENT AND SUBLETTING
With the exception of a Permitted Transfer (defined below), Tenant shall not assign, transfer, mortgage, or pledge this Lease or sublet all or any part of the Premises, or enter into any other occupancy arrangement, whether voluntarily or involuntarily, or by operation of law (hereinafter collectively referred to as a “Transfer”) without Landlord’s prior written consent, which consent shall not be unreasonably withheld or conditioned. Notwithstanding the foregoing, without the consent of Landlord, Tenant may assign or sublease all or any portion of the Premises (each a “Permitted Transfer”)to: (a) an assignee/sublessee that