When the Senate and the House approve a bill, they send it to the President. If he agrees with the law, he signs it and the law goes into effect. Thus, the answer is the executive branch that actually signs the bill into law seeing that the president is the head of the executive branch.
The Branch Of Government that signs bills into law is the Executive Branch.
The executive branch signs bills into law, but the Legislative branch makes the laws in the first place.
The President
The President signs U.S. federal bills into law.
Executive Branch
Alan Branch is number 90 on the Buffallo Bills.
The executive branch signs the laws
The Executive Branch
The bills proposed and discussed in the legislative branch grow out of committee's. Committee's meet and study bills before presenting them to the House or Senate.
Comgress
The Legislative branch of the government introduces bills to become law.
The executive branch (aka the president) checks the legislative branch (aka congress) by either signing or vetoing bills submitted to him, and by submitting bills to the legislative branch.