In many cases, you do not need to file electronic export information with the Census Bureau before mailing your international shipment. In these cases, it can help to avoid unnecessary delay if you write an AES Exemption on your customs declaration. An AES Exemption is a code that indicates the reason why you did not need to file electronic export information.
Check the “NOEEI § 30.37a” box in block 8 of PS Form 2976, or enter “NOEEI § 30.36” in block 10 of PS Form 2976-A.
The shipment is an authorized gift parcel or humanitarian donation to Cuba that does not require a BIS export license (see “Shipping to Sanctioned Countries.”)