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Each Descriptor must be associated with a Descriptor Model that defines the mandatory and optional attributes needed to describe types of Transfer Object (the Transfer Object Type Descriptor Model) and Collections (the Collection Descriptor Model).
PAIS Descriptor Model Specifications
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Section 3 of PAIS outlinesprovides specifications:
Model for the Transfer Object Type Descriptor (CCSD0014)
Model for the Collection Descriptor (CCSD0015)
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Collection Descriptor Models
Model for the Archives Permanent Collection Descriptor
Transfer Object Type Descriptor Models
Container