\ProvidesFile{iso-authortitle.bbx} [2022/03/20 v0.4.1 ISO 690 biblatex bibliography style] \RequireBibliographyStyle{iso} \ExecuteBibliographyOptions{% sorting=nty, } % Sorting based on the default definition, but adding % holder and origyear to work with patent entry types. \DeclareSortingTemplate{nty}{ \sort{ \field{presort} } \sort[final]{ \field{sortkey} } \sort{ \field{sortname} \field{holder} \field{author} \field{editor} \field{translator} \field{sorttitle} \field{title} } \sort{ \field{sorttitle} \field{title} } \sort{ \field{sortyear} \field{origyear} \field{year} } \sort{ \field{volume} \literal{0} } } \endinput