### 11.3. `\subsection` and `\subsubsection`

See Section 3.1, “Sectioning commands”. This command is similar to Section 11.2, “`\section`, where the `\pre@sectionskip` and `\post@sectionskip` lengths are defined.

nmtthesis2015.sty
```%
% - - -   \ s u b s e c t i o n
%
\renewcommand{\subsection}%
{%
\@startsection{subsection}{2}{\parindent}%
{\pre@sectionskip}%
{\post@sectionskip}%
{\normalsize\bfseries}%
}% End \subsection
```