Identifies the customer assigned virtual path.
USAGE: This field is conditional.
NOTE 1: Prohibited when the BSC field on the EUSA or Transport Form is “F”.
NOTE 2: Prohibited when the VST field is “A” or “C”.
NOTE 3: Prohibited when the VCACT field is “C”.
NOTE 4: Otherwise optional.
DATA CHARACTERISTICS: 31 alpha/numeric characters
EXAMPLE: 3 6 2 1 4 2 1 0