UNAT held that both the ASC and APD bestow discretion on the Agency to pay an AAA. UNAT held that the two instruments, the ASC and the APD, were easily reconcilable. UNAT held that the ASC deals with the specific situation where an Area staff member acts in an International professional post, while the ADP deals with all other cases of acting appointments. UNAT held that there was no manifest intention or inevitable construction that the Agency intended to abrogate the specific policy in the ASC. UNAT held that UNRWA DT was correct in its finding that the ASC had not been implicitly abrogated...