Chapter II: Membership
| Article 3: | The original members of the United Federation of Planets shall be those planetary social systems which, having participated in the interplanetary conference on interplanetary Federation at Vulcan, or having previously signed the declaration of the United Federation of Planets of Stardate 273813.7, sign these articles of Federation and ratify them in accordance with Article 110. |
| Article 4: | 1. Membership in the United Federation is open to any other peaceful planetary social systems which accept the obligations contained in these articles of Federation and, in the judgment of the Federation, are capable and willing to carry out these obligations; |
| 2. The admission of any such planetary social system to membership in the United Federation of Planets is contingent upon the decision of the supreme assembly upon recommendation of the Federation council. | |
| Article 5: | The Supreme Assembly may suspend the rights and privileges of membership of any member of the United Federation against which the Federation council has taken preventive or enforcement action. The Federation council may restore these rights and privileges of membership at its discretion. |
| Article 6: | Any member of the United Federation which has persistently violated the purposes contained in these articles of Federation may be expelled from the Federation by the Supreme Assembly upon the recommendation of the Federation council. |