15th Legislative Assembly of Puerto Rico
The 15th Legislative Assembly of Puerto Rico met from January 2, 2005, to January 1, 2009. All members of the House of Representatives and the Senate were elected in the General Elections of 2004. The House and the Senate both had a majority of members from the New Progressive Party. It was the second time in Puerto Rican history in which the majority of the Assembly was from a different party than of the Governor of Puerto Rico.
Meetings were held regarding the political status of Puerto Rico.
Major legislation
- Tax Justice Act, also known as the Puerto Rico tax reform.
- Government Fiscal Reform Act
Members
Members of the 15th Legislative Assembly as of June 2005:Senate
There are 17 NPP, 9 PDP, and 1 PIP in the higher chamber of the 15th Legislative AssemblyChanges in membership
Senate
| District | Former senator | Reason for change | Successor | Date of successor's installation |
| III - Arecibo | Víctor David Loubriel | Resigned January 4, 2005 | Pedro Rosselló | February 13, 2005 |
| VII - Humacao | Sixto Hernández Serrano | Resigned August 16, 2006 after being confirmed as an appeals judge. | Jorge Suárez Cáceres | August 31, 2006 |
Changes in leadership
- June 6, 2005: Margarita Nolasco substitutes Jorge de Castro Font as Majority Leader of the Senate. De Castro retains most powers as Rules Committee Chair.
- June 6, 2005: Carlos Pagán substitutes Margarita Nolasco as Majority Whip of the Senate.
- March 11, 2008: Jorge de Castro Font substitutes Margarita Nolasco as Majority Leader of the Senate.
- March 11, 2008: Margarita Nolasco replaces Carlos Pagán as Majority Whip of the Senate.
- August 24, 2008: Jorge de Castro Font announces he is stepping down as Majority Leader after his office and apartment are searched by the FBI the day before.
- August 27, 2008: Senate President Kenneth McClintock recognizes Margarita Nolasco as Majority Leader of the Senate.
- September, 2008, Carlos Pagán replaces Margarita Nolasco as Majority Whip