The Legislative Branch is one of three branches of the U.S. government: Executive, Judicial, and Legislative.
Established by Article I of the Constitution, the Legislative Branch consists of the House of Representatives and the Senate, which together form the United States Congress. The Constitution grants Congress the sole authority to enact legislation and declare war, the right to confirm or reject many Presidential appointments, and substantial investigative powers.
The House of Representatives is made up of 435 elected members, divided among the 50 states in proportion to their total population. In addition, there are 6 non-voting members, representing the District of Columbia, the Commonwealth of Puerto Rico, and four other territories of the United States. The presiding officer of the chamber is the Speaker of the House, elected by the Representatives. He or she is third in the line of succession to the Presidency.
Members of the House are elected every two years and must be 25 years of age, a U.S. citizen for at least seven years, and a resident of the state (but not necessarily the district) they represent.
The House has several powers assigned exclusively to it, including the power to initiate revenue bills, impeach federal officials, and elect the President in the case of an electoral college tie.
The Senate is composed of 100 Senators, 2 for each state. Until the ratification of the 17th Amendment in 1913, Senators were chosen by state legislatures, not by popular vote. Since then, they have been elected to six-year terms by the people of each state. Senator's terms are staggered so that about one-third of the Senate is up for reelection every two years. Senators must be 30 years of age, U.S. citizens for at least nine years, and residents of the state they represent.
The Vice President of the United States serves as President of the Senate and may cast the decisive vote in the event of a tie in the Senate.
The Senate has the sole power to confirm those of the President's appointments that require consent, and to ratify treaties. There are, however, two exceptions to this rule: the House must also approve appointments to the Vice Presidency and any treaty that involves foreign trade. The Senate also tries impeachment cases for federal officials referred to it by the House.
In order to pass legislation and send it to the President for his signature, both the House and the Senate must pass the same bill by majority vote. If the President vetoes a bill, they may override his veto by passing the bill again in each chamber with at least two-thirds of each body voting in favor.
Powers of Congress
Congress, as one of the three coequal branches of government, is ascribed significant powers by the Constitution. All legislative power in the government is vested in Congress, meaning that it is the only part of the government that can make new laws or change existing laws. Executive Branch agencies issue regulations with the full force of law, but these are only under the authority of laws enacted by Congress. The President may veto bills Congress passes, but Congress may also override a veto by a two-thirds vote in both the Senate and the House of Representatives.
Article I of the Constitution enumerates the powers of Congress and the specific areas in which it may legislate. Congress is also empowered to enact laws deemed "necessary and proper" for the execution of the powers given to any part of the government under the Constitution.
Part of Congress's exercise of legislative authority is the establishment of an annual budget for the government. To this end, Congress levies taxes and tariffs to provide funding for essential government services. If enough money cannot be raised to fund the government, then Congress may also authorize borrowing to make up the difference. Congress can also mandate spending on specific items: legislatively directed spending, commonly known as "earmarks," specifies funds for a particular project, rather than for a government agency.
Both chambers of Congress have extensive investigative powers, and may compel the production of evidence or testimony toward whatever end they deem necessary. Members of Congress spend much of their time holding hearings and investigations in committee. Refusal to cooperate with a Congressional subpoena can result in charges of contempt of Congress, which could result in a prison term.
The Senate maintains several powers to itself: It ratifies treaties by a two-thirds supermajority vote and confirms the appointments of the President by a majority vote. The consent of the House of Representatives is also necessary for the ratification of trade agreements and the confirmation of the Vice President. Congress also holds the sole power to declare war.
For more info visit: http://www.whitehouse.gov/our-government/legislative-branch
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