This command removes the POS registration from device’s trusted clients list and removes the data used to verify authenticity of the sender.
Device UI Required: Yes
Request Packet
Field
Rule
Type
Min
Max
Value
Comments
FUNCTION_TYPE
R
S
SECURITY
COMMAND
R
S
UNREGISTER
MAC_LABEL
R
C
1
50
P_<Random String>
MAC label assigned to POS during original
REGISTER transaction
Response Packet
Field
Type
Value
Comments
RESPONSE_TEXT
C
Unregistered MAC_LABEL
RESULT
C
OK or Error Code
Refer to <Error Section>
RESULT_CODE
N
-1
59001
59020
59040
59051
TERMINATION_STATUS
C
SUCCESS or
Error Codes
MAC_LABEL
C
P_<Random String>
Value to be stored by POS
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