% Same result with book.cls
\documentclass{scrbook}

\usepackage[T1]{fontenc}
\usepackage[latin9]{inputenc}

\begin{document}

% The following do work in ODT output.

\chapter{Chapter}

\section{Section}

\subsection{Subsection}

\subsubsection{Subsubsection}

\paragraph{Paragraph}

\subsection*{Subsection*}

\subparagraph{Subparagraph}

% These are converted to text body style.

\subsubsection*{Subsubsection*}

\paragraph*{Paragraph*}

\subparagraph*{Subparagraph*}

\end{document}
