RIYADH, 20 October — Crown Prince Abdullah, deputy premier and commander of the National Guard, will open the first meeting of charitable organizations in the Kingdom at King Fahd Cultural Center here on Tuesday, according to Labor and Social Affairs Minister Dr. Ali Al-Namlah. Speaking to reporters, he said the three-day conference will focus on management and organization of charitable societies and proper investment of their funds. He said participants will also discuss the problems being faced by the charitable societies as well as new rules to regulate their activities. The meeting aims at exchanging expertise by the organizations, he added.