Requirements:

Transport of Human Remains

1. Certified copies of Death certificate (2)
2. Burial/Transit Permit (notarized by County Clerk office)
3. Passport or birth certificate of decedent
4. Embalmer's affidavit (notarized)
5. Letter of non-contagious disease (notarized)
6. Funeral home letter stating: 1) only remains are inside the casket; 2) flight itinerary; 3) consignee's name, address, and telephone number;
7. Metal Casket – hermetically sealed
8. All wood shipping container
9. Consulate does not need to see remains, simply an airway bill and deliver to carrier. In bound customs will inspect documents

Transport of Cremated Remains

1. All the above documents required except the letter of embalming and non contagious disease

Consulates: http://www.state.gov/s/cpr/rls/fco/164199.htm#elsalvador

Embassy: http://www.elsalvador.org/