No, he can not introduce legislation. He can only vote if there is a tie vote in the Senate. He has no role in the House.
The president
Veto it.
There is a joint conference committee , composed of members of both houses, that try to workout a version of the bill that both houses will accept.
Bill Hopper was born on 1891-08-26.
Bill Hopper died on 1965-01-14.
After a bill passes both Houses of Congress it goes to the President for the final signature.
After it passes both houses of congress.
Bill Hopper - baseball - died on 1965-01-14.
Bill Hopper - baseball - was born on 1891-08-26.
If a bill has been signed and approved by both houses, it goes to the president. The president then can veto (reject) it or sign it (then it becomes a law). If the president vetos the bill, then Congress can override the veto with a 2/3rds vote majority passing the bill in both houses. If this occurs, the bill becomes a law.
If both houses of Congress pass the bill, it is sent to the President. If the president signs it, is becomes the law. If the President does not sign it, or actively vetoes it, it goes back to Congress. If it is passed by both houses of Congress again, it automatically becomes law, although override of a President's veto is realtively uncommon.
To pass a bill to the president, there must be a majority vote in both houses (over 50%). If the president vetoes the bill, it still may pass, except this time it needs a 2/3 majority vote from both houses.