The HLP-Rules are the binding set of rules for all stallion performance tests mentioned on this website. They were issued by the Advisory Board of the FN on 1st of December 2010. During the years, some changes were carried out and you can download the updated HLP-Rules here (Decision of the Advisory Board, as at December 2015):
HLP-Richtlinien ab 2017 (Beschluss 2016)
All documents have been translated from German. In cases of doubt, the original German text shall prevail.