should coordinate controls on items exported, reexported, or in-country transferred in connection with a foreign military sale under chapter 2 of the Arms Export Control Act (
22 U.S.C. 2761 et seq.) or a commercial sale under section 38 of the Arms Export Control Act [
22 U.S.C. 2778] to reduce as much unnecessary administrative burden as possible that is a result of differences between the exercise of those two authorities.