An escalation clause is a provision in a real estate contract that allows a buyer to increase their offer if competing bids come in automatically. This fill-in-the-blank form can be used to change or extend inspection, signing, financing or other dates contained in a signed real estate contract.Inclusions and exclusion clauses outlines what will be included with the property and what will not stay. There are two main offer forms used in Massachusetts. It lays out the framework for a conveyance (a real estate transfer) in Massachusetts. Real estate contracts are serious and they demand serious legal representation. Learn more from our experienced attorneys. Among the clauses that may be included in a real estate contract is an escalation clause or "escalator. How to fill out a Standard Purchase and Sale Agreement. This means you have to take out a mortgage.