%  Default values for the \subheadb markup
\subheadbformat{\numberingstyle{1}
   \titleformat{\removelastskip\goodbreak\vs{2\bl}
                \twelvept\it\nin\subheadbtitle\par\nobreak
                \vs{1\bl}\nobreak
                \setsubheadcnumber{0}
                \setsubheaddnumber{0}
                }% end titleformat
   \incontents{yes}
}% end subheadbformat markup