The Lobbying Disclosure Act of 1995, as amended (2 U.S.C.§ 1601 et. Seq.), requires lobbying firms and organizations to register and file reports of the lobbying activities and certain contributions and expenses with the Secretary of the Senate and the Clerk of the House of Representatives.

Form LD-1 is used for the initial registration under Section 4 of the Act (2 U.S.C. § 1603).  Form LD-2 is used for complying with the quarterly reporting requirements of Section 5 of the Act (2 U.S.C. § 1604).  Form LD-203 is used for the semiannual disclosure of certain contributions pursuant to Section 5 of the Act (2 U.S.C § 1604(d)).