PartySelection

This element extends BallotSelectionBase to support contests in which the selections can be groups of one or more parties.

Tag	Data Type	Required?	Repeats?	Description	Error Handling
PartyIds	xs:IDREFS	Required	Single	One or more Party IDs which collectively represent a ballot selection.	If one or more parties referenced are invalid or not present, the implementation is required to ignore the PartySelection containing it.

BallotSelectionBase

A base model for all ballot selection types: BallotMeasureSelection, CandidateSelection, and PartySelection.

Tag	Data Type	Required?	Repeats?	Description	Error Handling
SequenceOrder	xs:integer	Optional	Single	The order in which a selection can be listed on the ballot or in results. This is the default ordering, and can be overridden by OrderedBallotSlectionIds in OrderedContest.