Please see the official IBO Regulations Guide - English (15th ed., 209 KB, 47 pp.)

The IBO Regulations Guide contains:

• What is the IBO?
• Organization Rules
• Guidelines for a new participating country
• Guidelines for the host country
• Appendices
  • Content of the Theoretical Part of IBO
  • Basic Skills of the Practical Part of IBO
  • Declaration form for competitors
  • List of participating countries
  • Format for description of NBO and IBO selection procedure
  • URL addresses of National Biology Olympiad websites