Buyer must notify the City Department of Housing Preservation and Development within 30 days after a transfer. Many assurances on Rent.Craft a winning house offer letter with our customizable template and tips. The property and improvements which the Seller is agreeing to sell and which the Purchaser is agreeing to purchase is known as. My wife and I have found an offmarket deal in Central NY. Does anybody have an offer letter template they'd be willing to share? This document is an offer to sell a property located at Blk. ___ Lot___, Sunlife St., Las Pinas with an area of _____sqm to Mr. Juan dela Cruz. After you serve the papers you must fill out an Affidavit of Service and sign it in front of a notary. DCWP contacts you with a waiting list number offer letter. Within 30 days from the date the request was given to the landlord.