Amendments to Article I (Twelve Steps) and Article II (Twelve Traditions) of OA Inc. Bylaws, Subpart B may only be adopted if:
- The amendment receives a two-thirds vote of the World Service Business Conference delegates as required for other amendments,
- They are also ratified by three-fourths of the registered Overeaters Anonymous groups who respond within six months of notification, and
- At least 55 percent of the registered groups have responded.
Source: OA Inc. Bylaws, Subpart B, Article XII, Section 1e and 1f