While a legislative body is considering bills, interested parties have an opportunity to share their opinions on whether a particular bill is a good idea. Advocacy groups, professional organizations, lobbyists employed by a wide range of commercial and other interests, and ordinary citizens can influence the discussion and outcome of legislation.
If you run an Internet search for "how to write a lobbying letter," you will find lots of advice. Below are some selected examples.
In addition to searching the journals and law review collections on Bloomberg Law, Lexis Advance, and/or Westlaw, consider using LegalTrac to find articles. Relevant subject headings include: