They have to be a natural born citizen, be at least 35 years old and lived in the use for 14 years.
This is what I found.
In the House, bills are officially introduced by placing them in a special box known as the hopper, which is located at the rostrum, or Speaker's platform. In the Senate, a bill is introduced by placing it on the presiding officer's desk or by formally introducing it on the Senate Floor.
