Constituent addresses are verified and their stances on particular pieces of legislation go directly to Congressional staffers, not through a 3rd party organization. (epolitics.com)
These include the Selection Committee that determines how the House will deal with particular pieces of legislation and private members business and the Privileges Committee that deals with matters of Parliamentary Privilege. (en.wikipedia.org)
We work through our national sections when legislation comes up that may require some adjustment, on a positive side — the government maybe needs to consider adding things to the law — or reconsider taking away things from particular pieces of legislation. (canadianlawyermag.com)