%----------Sperrvermerk/Confidentiality clause------------------------------------------------------------ \addsec{Sperrvermerk/Confidentiality clause} Optional.\\ Ingolstadt, \rule{0.3\textwidth}{0.4pt} \\ \textcolor{white}{.}\qquad\qquad\qquad\qquad\quad \small (Date) \\ [1.3cm] (Signature) \\ Firstname Lastname