259 Change Type Code
TYPE=ID MIN=1 MAX=1

Code indicating change type

A        Add Rate
B        Original Price Change Transaction
C        Cancel Previous Price Change Transaction
D        Decrease Rate
E        Eliminate/Expire
F        Confirmation Of A Discussion Between Buyer And Sales Representative
G        Add Items To A Previous Change Transaction
H        Delete Items From A Previous Change Transaction
I        Increase Rate
J        Replace All Dates Shown In A Previous Change
K        Replace Prices Shown In A Previous Change Transaction
L        Replace Restrictions (Conditions) At An Item Level Shown In A Previous Change
M        Replace Marketing Area Shown In A Previous Announcement
N        Change Having No Effect on Rates
O        Replace Restrictions (Conditions) At A Transaction Level Shown In A Previous 
         Change
P        Replace Price Area Shown In A Previous Change
Q        Replace Previous Change Transaction Entirely Because of Multiple Kinds Of 
         Changes Or To Make Changes Not Specifically Indicated By Another Code In This 
         Data Element
R        Replace Allowance Rates Shown In A Previous Announcement
T        Modified
W        New
X        No Modification