Most often the title is usedAuthority (SSA) when the selection process is formal and the official is other than the Contracting Officer.
Sometimes the selection is formal and the official is the Contracting Officer.
The selection is anyways informal and the official is the Contracting Officer.
a brown dog sits inside his owner's home
People playing soccer in front of a crowd.
Two men are chatting in a bar.
Miss Vandemeyer is still under my care.
Yudhishthira is thought that have been born in 1,000 AD.
Two people are swimming.