RIYADH — The General Authority of Civil Aviation (GACA) has issued a circular to all airlines, including private aviation, operating in Saudi airports regarding the necessity of disclosing cash, jewelry and precious metals that exceed the permissible limits. The circular issued on Thursday stipulates that airliners must educate passengers departing and arriving in the Kingdom on the necessity of disclosing to the competent authorities the amounts of cash, jewelry and precious metals that exceed the permissible limit according to Saudi Arabian regulations. — SG