\NeedsTeXFormat{LaTeX2e} \ProvidesClass{impeart}[2026/09/29 v1.0.1 IMPE class for article] \makeatletter \DeclareOption*{\PassOptionsToClass{\CurrentOption}{article}} \ProcessOptions\relax \def\NextSystemUiTag{en} \def\NextDefaultLayout{en_doc} \def\NextDefaultGlobalFonts{cmu} \LoadClass{article} \RequirePackage{impe} \makeatother