\documentclass[biblatex,ddraft]{deltares_report}
\begin{document}
\title{Title}
\subtitle{Subtitle}
\author{Authors}
\partner{Partners}

\client{Client}
\contact{Contact}
\reference{Reference}
\keywords{Keywords}

\version{Version}
\date{Date}
\projectnumber{123456789}
\documentid{Id}
\status{Status}
\disclaimer{Disclaimer}
%\references{References}

\authori{Author1}
\organisationi{Organisation1}
\versioni{Version1}
\revieweri{Reviewer1}
\approvali{Approval1}
\publisheri{Publisher1}

\summary{
\lipsum[1]

\lipsum[2]

\lipsum[3]
}
\deltarestitle
%------------------------------------------------------------------------------

% Text body

%------------------------------------------------------------------------------
\end{document}
