The following materials from the International Federation on Red Cross and Red Crescent Societies provides some good starting material.
Report: Taking volunteers seriously
The volunteering progress report, Taking volunteers seriously is now available. The report is important tool to address future need on volunteering development as well as reporting on the implementation of the Internatonal Federation's Volunteering Policy to date. The report covers the period 1999—2007.
Volunteerism and legislation: A guidance note
Published jointly by the Inter-Parliamentary Union (IPU), the International Federation, and United Nations Volunteers (UNV), this guidance note on volunteerism and legislation is for use by parliamentarians around the world. The note was prepared following extensive consultations with parliamentarians from all regions, volunteer-involving organizations and Red Cross and Red Crescent National Societies.