ABBREVIATIONS AND REFERENCE MARKS - ITEM 135
EXPLANATION OF REFERENCE MARKS
REFERENCE MARK EXPLANATION
{ } Where this reference mark appears, containing a supplement number, it notes that such referenced item or provisions is reissued without change from that supplement. Consult that supplement for effective date of change. (See ITEM 846 )
(H) Not subject to further increase.
(NA) Denotes not applicable.
(x) Except as noted.