The pile of pink slips in the enforcement bureau's incoming mail spells out the wide range of grievances brought by tenants.

Each enforcement bureau is sub-divided into sections, divisions, and units.

The Department is divided into eight bureaus, six of which are enforcement bureaus.

In 1955, after the formal system of licensing, laws and rules had been created, an enforcement bureau was also created.

The plaintiffs represent more than 1,000 agents in the Treasury Department's three major law enforcement bureaus.

"It has happened before on various coasts of the country," said John Winston, an assistant chief in the F.C.C.'s enforcement bureau, who declined further comment.

Kevin J. Martin, the head of the commission, has said its enforcement bureau would thoroughly investigate accusations of payola.

David Solomon, head of the commission's enforcement bureau, said each decision looked closely at the context in which words were used to discern whether they violated the rules.

Greg Huljack, deputy chief of the wildlife division's enforcement bureau, said the investigators tallied 17 tigers, but were not satisfied that their count was complete.

He was succeeded by political appointee Lincoln Clark Andrews, who reorganized the enforcement bureau.