As lawmakers scramble to place the final touches on the biggest overhaul of the United States tax code in three decades, lobbyists hope to bring some holiday cheer with a lavish schedule of daily holiday parties and receptions for legislators and their staff.

The annual tradition of serving limitless supplies of free hors d’oeuvres and wine has gone on for years, uninterrupted by any administration or Congress, despite Democratic and Republican promises to crack down on special-interest influence.

Throughout Washington, D.C., this month, special-interest groups will be hosting scores of glitzy holiday parties. In years’ past, legislators, congressional staff, and government officials have been routinely invited to and attended these events.

“Businesses and their lobbyists use holiday receptions as significant influence-peddling events,” said Craig Holman, an ethics and campaign finance expert with Public Citizen.

The Intercept obtained several of the invites making the rounds on Capitol Hill this holiday season. The events include parties hosted by CropLife America, the trade group representing the pesticide industry; the Financial Services Roundtable, a lobby group for banks such as Citigroup and JPMorgan; and Lockheed Martin, the world’s largest defense contractor:

Motion Picture Association of America Holiday Reception: November 29, 6:00 p.m. – 9:00 p.m., 1301 K Street, NW, 900E

November 29, 6:00 p.m. – 9:00 p.m., 1301 K Street, NW, 900E OCC and Options Industry Holiday Party: November 30 , 5:30 p.m. – 8:30 p.m., Charlie Palmer Steak, 101 Constitution Ave., NW

Lockheed Martin Holiday Reception: December 5 , 6:00 p.m. – 8:30 p.m., Phoenix Park Hotel, 520 N. Capitol St., NW

Microsoft Holiday Open House: December 5, 6:00 p.m. – 8:00 p.m., Microsoft Innovation and Policy Center, 901 K Street, NW, 11th Floor

December 5, 6:00 p.m. – 8:00 p.m., Microsoft Innovation and Policy Center, 901 K Street, NW, 11th Floor American Trucking Association “Deck the Hauls” Holiday Party: December 5 , 7:00 p.m. – 10:00 p.m., Charlie Palmer Steak 101 Constitution Ave., NW

Airlines for America Holiday Party: December 6, 4:30 p.m. – 6:30 p.m., U.S. Capitol HC-5

December 6, 4:30 p.m. – 6:30 p.m., U.S. Capitol HC-5 CME Group Holiday Reception: December 5, 6:00 p.m. – 9:00 p.m., Oyamel, 401 7th Street, NW

December 5, 6:00 p.m. – 9:00 p.m., Oyamel, 401 7th Street, NW National Retail Federation Holiday Party: December 6, 6:00 p.m. – 8:00 p.m., 1101 New York Avenue, NW, Suite 1200

December 6, 6:00 p.m. – 8:00 p.m., 1101 New York Avenue, NW, Suite 1200 Consumer Technology Association: December 6, 6:00 p.m. – 9:00p.m., CTA Innovation House, 21 D Street, SE

December 6, 6:00 p.m. – 9:00p.m., CTA Innovation House, 21 D Street, SE CropLife America Open House: December 7 , 5:30 p.m. – 7:30 p.m., The Mayflower Hotel, State Room, 1127 Connecticut Ave., NW

U.S. Chamber of Commerce Holiday Reception: December 7, 6:00 p.m. – 8:00 p.m., 1615 H Street, NW

December 7, 6:00 p.m. – 8:00 p.m., 1615 H Street, NW Financial Services Roundtable Holiday Celebration: December 12, 5:30 p.m. – 8:30 p.m., 600 13th St. NW, Suite 400

December 12, 5:30 p.m. – 8:30 p.m., 600 13th St. NW, Suite 400 American Gas Association Holiday Reception: December 12, 5:30 p.m. – 8:00 p.m., Barrel, 613 Pennsylvania Ave, SE

December 12, 5:30 p.m. – 8:00 p.m., Barrel, 613 Pennsylvania Ave, SE Wine & Spirits Wholesalers of America Holiday Party: December 12, 6:00 p.m. – 9:00 p.m., Eastern Market – North Hall, 225 7th Street, SE

December 12, 6:00 p.m. – 9:00 p.m., Eastern Market – North Hall, 225 7th Street, SE Google – Big Moments of 2017: December 12, 7:00 p.m. – 11:00 p.m.

December 12, 7:00 p.m. – 11:00 p.m. TechNet Holiday Party: December 13, 5:00 p.m. – 7:00 p.m., Fig & Olive, 934 Palmer Alley, NW

December 13, 5:00 p.m. – 7:00 p.m., Fig & Olive, 934 Palmer Alley, NW Nuclear Energy Institute Congressional Holiday Charity Reception: December 13, 5:30 p.m. – 8:00 p.m., Charlie Palmer Steak, 101 Constitution Avenue, NW

December 13, 5:30 p.m. – 8:00 p.m., Charlie Palmer Steak, 101 Constitution Avenue, NW National Association of Broadcasters Holiday Reception: December 14, 6:00 p.m. – 8:00 p.m., 1771 N Street, NW

December 14, 6:00 p.m. – 8:00 p.m., 1771 N Street, NW American Insurance Association Holiday Reception: December 14, 5:00 p.m. – 7:30 p.m., 701 Pennsylvania Avenue, NW, Suite 750

While ethics rules prohibit lobbyists from taking lawmakers and staff out to dinner or lunch, nothing prevents a lobbyist from throwing a reception or holiday party. The House Ethics Committee requires that events must be attended by 25 people and “relate to the Members’ or employees’ official duties.” The committee also notes that food must be served in small portions.

Special-interest groups rely on that carve-out to throw opulent events loosely related to a policy agenda, where they serve hors d’oeuvres that don’t approach the size of a full serving of a meal. Event tickets often carry a disclaimer that the reception or party “has been planned to comply with congressional ethics rules for such events,” but there’s little stopping interest groups from hosting luxurious events designed to please public officials.

Ethics rules were supposedly tightened through the Honest Leadership and Open Government Act of 2007, a reform bill passed after the Jack Abramoff lobbying scandal. Abramoff, who wined and dined public officials, once owned a steakhouse called Signatures that regularly hosted lavish receptions and holiday parties for lawmakers Abramoff and his associates were attempting to influence. The high-flying lobbyist and 22 others, including one member of Congress, were convicted of corruption and bribery charges.

But social media posts show that lawmakers and staff routinely attending lobbyist parties, especially during the holiday season.