The character of the business to be conducted in the Premises by the proposed assignee or subtenant shall not require any alterations, installations, improvements, additions or other physical changes to be performed, or made to, any portion of the Building or the Real Property other than the Premises; and

The character of the business to be conducted in the Premises by the proposed assignee or subtenant shall not require any alterations, installations, improvements, additionsbe likely to materially increase operating expenses or the burden on existing cleaning services, elevators or other physical changes to be performed, services and/or made to, any portionsystems of the Building or the Real Property other than the Premises; andBuilding;