How to use "officially" in a sentence

"You're not supposed to, officially."

Tomorrow's a holiday, so we can't get anything done officially until Friday."

"The agency we work for doesn't officially exist," Bob said

Vince Foster found dead in a Washington park and officially declared a suicide even though most of the forensic evidence points to murder

Because the Network did not officially exist, it couldn't openly use its authority to gather information

On this holiday weekend the hotel was officially booked to capacity; however, Elliot knew accommodations were always available