You're a mechanical subcontractor who wrapped up your work on a Hudson Yards office fit-out six months ago. Your $850,000 final requisition sits unpaid because the general contractor keeps pointing to one clause buried on page 14 of the subcontract: “Contractor shall have no obligation to pay Subcontractor until and unless Contractor has received payment for Subcontractor's work from Owner.” The GC calls it a pay-if-paid clause. New York calls it something else &m