Current plan special resource (resource codes CSR, CSRCOM)

A current plan special resource consists of four segments:
CSRCOM
Common segment.
CSRIVL
Special resource interval segment.
CSRIWS
Special resource interval workstation segment.
CSRDWS
Special resource default workstation segment.

CSRIVL and CSRDWS are subsegments to CSRCOM. CSRIWS is a subsegment to CSRIVL.

Note: For a correct interpretation of the fields described as "Tod clock at last update", see TOD fields.