RES81 – 224 – recognizing that the administrative due diligence procedure has not yet had any impact on the problem of reservation of orbit and spectrum capacity without actual use, resolves 1 that further experience is needed in the application of the administrative due diligence procedures adopted by WRC-97, and that several years may be needed to see whether the procedure produces satisfactory results; 2 that it is premature to consider the adoption, among other procedures, of any financial due diligence procedures.