Organizations employing in-house lobbyists complete only the expense section and must select which method of expense reporting that they are utilizing.

Organizations employing in-house lobbyists file a single registration.

Toyota spent $5.7 million in 2005, the center said, and has seven in-house lobbyists.

A lobbying firm or an organization employing in-house lobbyists that files a registration pursuant to Section 4 of the Act.

An organization employing in-house lobbyists may terminate its registration when in-house lobbying activities have ceased and are not expected to resume.

Each group, besides having formidable in-house lobbyists, has hired powerful outside lobbing and public relations firms.

The airlines had plenty of resources to draw on: 27 in-house lobbyists, augmented by lobbyists from 42 Washington firms.

"We'd get e-mails from her asking us to go to her events about once a week," an in-house lobbyist for a major defense firm recalled.

Last year, the company hired six lobbying firms and also extensively used in-house lobbyists, city records show.

"Before our effort is over, every member of Congress will be contacted by baseball people," Gene Callahan, the clubs' in-house lobbyist, said.