\ProvidesPackage{kiviletter}[2020/04/24 Letter Layouts for Kivitendo]
\newif\if@kivi@infobox
+\newif\if@kivi@footer
\DeclareOption{reffields}{\@kivi@infoboxfalse}
\DeclareOption{infobox}{\@kivi@infoboxtrue}
+\DeclareOption{nofooter}{\@kivi@footerfalse}
+\DeclareOption{footer}{\@kivi@footertrue}
\@kivi@infoboxtrue
+\@kivi@footertrue
\DeclareOption*{\PassOptionsToPackage{\CurrentOption}{scrletter}}