EXPLANATION OF SYMBOLS
 

(C)	to signify changes in regulation
(D)	to signify discontinued rate of regulation
(I)	to signify increase
(M)	to signify matter relocated without change
(N)	to signify new rate or regulation
(R)	to signify reduction
(S)	to signify reissued matter
(T)	to signify a change in text but no change in rate or regulation
(Z)	to signify a correction