Identifies the requirement for a Basic Serving Arrangement (BSA), which is the minimum necessary transport arrangement for the delivery of the unbundled network features and functions, or for a Basic Service Element (BSE) associated with a Basic Serving Arrangement.
NOTE 1: In a Multi-EC situation, this field should be populated when at least one provider is being requested to provide a BSA or BSE.
VALID ENTRIES:
Y = Unbundled Ordering
USAGE: This field is conditional.
NOTE 1: Prohibited when the CC or WST field is populated, otherwise optional.
DATA CHARACTERISTICS: 1 alpha character
EXAMPLE: Y