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

The video officials reviewed the controversial goal for nearly ten minutes before signaling that it was out.

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

The referee consulted the television match officials after the controversial try.

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.

During the local election campaign, supporters of the Official Monster Raving Loony Party staged a noisy procession through the town.