This from here
http://nobelprize.org/nomination/peace/
Qualified Nominators
The right to submit proposals for the Nobel Peace Prize shall, by statute, be enjoyed by:
1. Members of national assemblies and governments of states;
2. Members of international courts;
3. University rectors; professors of social sciences, history, philosophy, law and theology; directors of peace research institutes and foreign policy institutes;
4. Persons who have been awarded the Nobel Peace Prize;
5. Board members of organizations who have been awarded the Nobel Peace Prize;
6. Active and former members of the Norwegian Nobel Committee; (proposals by members of the Committee to be submitted no later than at the first meeting of the Committee after February 1) and
7. Former advisers appointed by the Norwegian Nobel Institute.
The Nobel Peace Prize may also be awarded to institutions and associations.
Nomination for the Nobel Peace Prize
Every year, the Norwegian Nobel Committee sends out thousands of letters inviting qualified people to submit their nominations for the Nobel Peace Prize. The names of the nominees and other information about the nominations cannot be revealed until 50 years later.