The procedure for subleasing is quite complicated. If the landlord unreasonably withholds their consent to sublet, the tenant's only remedy is to be let out of their lease after 30 days' notice to the landlord.AGREEMENT OF LEASE, made as of the 121h day of September, 2002 between. THE CITY OF NEW YORK, a municipal corporation of the State of New York, having an. Download: PDF, MS Word, OpenDocument. If you would like to sublease your apartment, you must first tell your landlord that you want to do this. NYC Sublet Law considers provisions in the lease contract prohibiting subleases as illegal and unenforceable. If your landlord agrees in writing, you can lease your apartment to another person. B) Sublet: The landlord allows a "sub-tenant" to replace you for the duration of your lease. Landlords offer tenants a lump sum of money if they agree to move out of their rent-controlled apartment.