By the way the MOS RECENT NPS rules book revision says:
Teams must be chosen from an ongoing slam or reading series open to all poets regardless of age, sex, race, ability, appearance, or sexual orientation. All certified/registered venues are expected to uphold the Equal Opportunity Statement. Team members must be chosen through some form of competition; how that competition is structured is up to the local venue or SlamMaster so long as anyone who considers him/herself to be a part of the community fielding the slam team has the competitive opportunity to join it.
Because Poetry Slam is growing, not all certified venues can necessarily be included in the National Poetry Slam. To accommodate as many poets as possible, from as diverse a geographic base as can be achieved, some certified Poetry Slams will be encouraged to share an invitation to the National Poetry Slam. A person participating at the NPS can only be either a member of one and only one team."
No organization is perfect, but we seem to have an ongoing theme of rules contradiction and policy.