Standard Clauses providing for the conditional subordination of a tenant's lease to any future landlord liens relating to the landlord's mortgage or ground lease that can be included in an office lease. The subordination of the lease to the landlord's mortgage or ground lease may be conditioned under certain circumstances on the tenant's receipt of a subordination, non-disturbance, and attornment agreement. These Standard Clauses have integrated notes with important explanations and drafting and negotiating tips for both landlords and tenants.