How to submit mail-in applications : 
​

Embassy mailing address:

Royal Embassy of Cambodia/ ATTESTATION
4530 16th Street N.W.
Washington D.C. 20011​

---

​Checklist when you submit by mail:

• Completely filled and signed Attestation form 
• Passport 2x2 recent photo (2 pieces)
• Copy of Cambodian Passport bio-page
• Copy of Cambodian Passport extension page
• Copy of valid residency card/US Green card (front and back)
• Copy of Cambodian Identification Card (if available).
• Fee $5 USD in Money Order/Cashier check payable to Embassy of Cambodia.
• Prepaid return envelope with a tracking number with a copy of official receipt.

---

Prepaid return envelope guidelines:

- FEDEX (Express Mail only created online with valid FedEx account and/or credit card account ) *recommended
- UPS (Express Mail or UPS-ground created online) *recommended

DO NOT USE FedEx-Home or FedEx-Ground or hand-written waybill slip.

• Prepare a self-addressed prepaid return envelope with your name as the sender and recipient.
• DO NOT INSERT the Embassy information as the sender to avoid any unwanted invoice address to the Embassy.
• Do not use the hand-written airway bill or waybill as the information/account is not validated. 
• Insert a copy of the official receipt for the prepaid return envelope. 
• If you have an account, please prepare the airway bill or waybill online.
• For outside the United States territory, insert the commercial invoice.​

​​- United States Postal Service (USPS) 

• Priority-mail envelope with a tracking number 
• Include a self-addressed prepaid return envelope with your name as the sender and recipient
• If you have an account, please prepare the waybill slip online​
• DO NOT use regular posted mail (not secured/no tracking number).
• Below are samples of USPS shipping label : ​

---

Reminders:

• Please prepare the prepaid return envelope paid directly to your mail account or credit card
• Insert only your information as the SENDER & RECIPIENT of the prepaid return envelope
• Do not use the hand written airwaybill or waybill as the information/account is not validated
• It takes 3-5 working days to process
• For quick turn-around, send your application using 2-day or overnight shipping for both envelopes ​
• For outside United States applicants, please insert the COMMERCIAL INVOICE as per customs requirements for International shipping
• Keep the copy of your mail receipt and tracking number for tracking purposes
• The Visa Office does not alert applicants upon receiving their envelopes, please keep yourself posted by checking the tracking number online or sign-up for notification from the courier
• Envelops that arrive on weekends won't be opened until the next business day