These standards include conformance, performance and interoperability tests. In manufacturing, quality is defined as conformance to specification. TSLint scans TypeScript code for conformance to a set of standards and guidelines. The term is commonly used in procurement discussions of compliance or conformance with Section 508. Clause 4 describes the document's intended use and conformance requirements. This documents conformance to the client's requirements. However, it is not a complete measure of web standards conformance. W3C provides SVGZ files to test for conformance. For an implementation to globally work, its general conformance to specified behaviors is assumed. Part 2 specifies the test methods used to validate conformance with Part 1. ISO/IEC 20000-6&colon;2017 provides requirements for auditing bodies for the assessment of conformance to ISO/IEC 20000-1. The principal change in this revision is addition of a protocol implementation conformance statement (PICS). Xu's main priorities are POSIX conformance and slim implementation. UTIs can be defined within a hierarchical structure, known as a conformance hierarchy. PostgreSQL claims high, but not complete, conformance with the SQL standard.