Article 87
1. The Government, the Congress and the Senate are competent to propose legislation, in accordance with the Constitution and the Standing Orders of the Houses.
2. The Assemblies of the Autonomous Communities may request the Government to pass a bill or refer a non-governmental bill to the Congressional Steering Committee and to delegate a maximum of three Assembly members to defend it.
3. An organic law shall establish the manner in which popular initiative in connection with the submitting of non-govermental bills shall be regulated, as well as the requirements therefor. In any case, no fewer than 500,000 authenticated signatures shall be required. This initiative may not touch on matters concerning organic laws, taxation, international affairs or the prerogative of granting pardons.
