Canada recognizes both English and French as its official languages.

She maintained an official cover at the embassy while she gathered intelligence abroad.

A federal official announced new safety guidelines at the press conference yesterday.

The ex-official memorandum was treated as authoritative because it proceeded from the governor's office.

The official scorers reviewed the protest before confirming the final results.

The museum displayed the official covers of the archival journals in a climate-controlled case.

When the try was close, the referee referred the decision to the television match official to check whether the ball had been grounded.

Several agents working under non-official covers attended the diplomatic reception to gather intelligence.

The operative worked under a non-official cover while collecting intelligence at the multinational firm.

We organized a self-officiated pickup game of soccer at the park to avoid waiting for a referee.