54. GRSP noted that Mr. Rudolf Gerlach (Germany) would be retiring before the next session. Mr Gerlach has been attending GRSP, GRSG and GRVA (previously GRRF) since May 2003 with an active participation in multiple IWGs, task forces and special interest groups, including a leading role in the TF-AVRS. GRSP wished him all the best in his future endeavours and expressed its appreciation of his contributions.