Very grateful for all help with these three clues please. They might help to get me going!
20ac: “Multinational payment arrangement enclosed in one-way fare from Asia (6,8).” I have S?N?L?,????E???.
26ac: “No upright member of holy Eastern church backing its symbol? (10).” I have ?????P????.
16dn: “Whatfood enhancer containing Charlie might be? (9).” I have A?D??????.