The only requirement is that members sign the ParticipationAgreement.
唯一的要求是成员需要签订参与协议。
2
At the first meeting the four individuals sign a participationagreement where you agree to be open, to negotiate in good faith and to put the children first.
在初次开会调解时四方都要签署一份参与协议，即把孩子放在首位，真诚地敞开心扉接受调解。
3
Their lack of participation has been one stumbling block to attempts to hammer out a successor agreement to the Kyoto Protocol, which expires in 2012.