This space left intentionally blank. 
Oscar Protocol Documentation | Random Pidgin Files

Oscar Protocol Specification: Family 0x0013, Subtype 0x001b

Received when someone grants or declines you authorization.

Source: Server

2 bytesFamily (0x0013)
2 bytesSubtype (0x001b)
2 bytesFlags
4 bytesSnac Request ID
2 bytesLength L1 of the following (always 0x0006)
L1 bytesFlags? (always 0x0001 0002 0002)
1 byteLength L2 of the following
L2 bytesThe ICQ number of the person who granted you authorization
1 byteFlags (0x00 if declined, 0x01 if accepted)
2 bytesLength L3 of the following
L3 bytesThe message sent as the reason for declining (or accepting?)
2 bytesFlags? (always 0x0000)

All material Copyright © 2000-2014, All Rights Reserved
Linux is a registered trademark of Linus Torvalds.
AIM is a registered trademark of America Online, Inc.
ICQ is a registered trademark of ICQ Inc.
All other trademarks are property of their respective owners.