Standard Clauses for use in a construction contract between an owner and a prime or general contractor describing how to address changes to the scope, timing, or performance of work on a construction project. These Clauses address how to notice and value changed work, whether requested by the owner or the contractor, including changes that increase or decrease the contract price and time. These jurisdictionally neutral Standard Clauses have integrated notes with important explanations and drafting and negotiating tips for owners and contractors.