| Error in QSO data | QSL decision |
| Time in error by small amount or by integer number of hours. | QSL, with time changed to that at VP9KF |
| Callsign in log is close (by a dit or so) and the correct log callsign has not already been QSLed. | QSL |
| Band is wrong. Station error. Not VP9KF as band is derived from computer controlled rig. | QSL, with band changed to that at VP9KF |
| Mode is wrong. No chance. I only operate CW. | No QSL |
| All other cases. | No QSL, pending further investigation |