ITIL v2 offers three certification levels: Foundation, Practitioner and Manager. These were progressively discontinued in favor of the new scheme introduced along with the publication of the 2007 Edition. ITIL certification levels are now: Foundation, Intermediate, Expert and Master. In addition, the single-process practitioner certifications that were offered by OGC for version 2 have now been replaced and the offering expanded by what are known as complementary certifications.