+\begin_preamble
+% DO NOT ALTER THIS PREAMBLE!!!
+%
+%This preamble is designed to ensure that the document prints
+% out as advertised. If you mess with this preamble,
+% parts of the document may not print out as expected. If you
+% have problems LaTeXing this file, please contact
+% the documentation team
+% email: lyx-docs@lists.lyx.org
+
+% the pages of the TOC is numbered roman
+% and a pdf-bookmark for the TOC is added
+\pagenumbering{roman}
+\let\myTOC\tableofcontents
+\renewcommand\tableofcontents{%
+\pdfbookmark[1]{\contentsname}{}
+\myTOC
+\cleardoublepage
+\pagenumbering{arabic} }
+\end_preamble