The purpose of this Verification Guide is to provide the oil and gas industry with guidance on the implementation of technical requirement verification for the creation of new facility projects, including the design and installation of engineered equipment. Requirement verification enables projects to have the confidence that critical requirements have been implemented, from the initiation of the project, throughout its design, up to its delivery, in a way that is efficient and tailored to the risk involved. This Guide is applicable to operators, engineering companies, engineering and construction contractors, service companies, and manufacturers.