API Standard 570 (Fourth Edition, February 2016, with Addendum 1, May 2017 and Addendum 2, March 2018) API Recommended Practice 571 (Second Edition, April 2011, with Addendum 1, May 2017) only portions required for exam API Recommended Practice 574 (Fourth Edition, November 2016) API Recommended Practice 577 (Second Edition, December 2013) API Recommended Practice 578 (Third Edition, February 2018)
