+
+%% New header, behaving like a chapter but formatted differently
+\titleclass{\lotheader}{top}[\part]
+\newcounter{lotheader}
+\renewcommand{\thelotheader}{\Alph{lotheader}}
+
+\titleformat{\lotheader}[block]
+{\filcenter\huge}{\filcenter}{20pt}{\Huge}
+\titlespacing*{\lotheader}{0pt}{-30pt}{40pt}
+
+% Use the new header in TOC
+\let\stdtoc=\tableofcontents
+\let\stdchapter=\chapter
+\def\tableofcontents{\let\chapter\lotheader \stdtoc{} \let\chapter\stdchapter}
+
+