Learning Bite
A Volunteer Charter - The 10 Principles
Principles for Assuring Legitimacy and Preventing Exploitation of Workers and Volunteers
3. The 10 Principles for Assuring Legitimacy and Preventing Exploitation of Workers & Volunteers
3.8. Seventh Principle
Volunteers should not be used to reduce contract costs.
Nor be a replacement for paid workers in competitive tenders or procurement processes.