Probably the associated VAT fees etc on getting them back?
Customs the world over, a police force like no other...
Don't know if this helps:
If you are sending goods outside the EU for repair you must follow these instructions to avoid paying VAT on their return. The exact wording used is essential.
1. In addition to everything else that is required, in the 'Description of Goods' on your Pro Forma invoice you must include the following:
* CPC 210003 "OPR STATUS GOODS", REPAIR & RETURN
* Serial or product numbers, whether items are under warranty
* RATE OF YIELD (this is the number of items going out and coming back - e.g. (1 of 1)
* ESTIMATED TIME BEFORE RE-IMPORT
2. On your Air Waybill (or point this out to Postal Services staff if they are going on a central service) include the following in the description of contents:
* CPC 210003 [GOODS] FOR REPAIR AND RETURN
* Replace [GOODS] with a short description of the item/s, e.g. test instrument.
3. YOU MUST ALSO INSTRUCT THE REPAIRERS TO DO THE FOLLOWING:
*On the return invoice they must state the following:
* "OPR STATUS GOODS", REPAIRED AND RETURNING TO UK
* Re-imported after - (state period out of country)
* State warranty goods NO CHARGE REPAIR ONLY (if this is the case)
* An actual charge still has to be indicated if there is one along with the value of the goods and the number of items.
4.THE REPAIRERS MUST ALSO COMPLETE THEIR AIR WAYBILL AS FOLLOWS:
* "OPR STATUS GOODS" along with a full description in the Description of Contents box.
* Mark X in the Permanent Export box.
* They must ensure the value declared on the Air Waybill is the same as on the invoice.
