8.6. In the event that the Buyer has resold the Goods in the ordinary course of business subject to any retention of title in favour of the Buyer and the Buyer defaults in payment or ceases to have any right to resell or use as referred to in Conditions 8.4(a) and 8.4(b) above the Seller shall have the right to require the Buyer to enforce its rights pursuant to or under such retention of title and all monies and/or goods recovered thereby by the Buyer shall, to the extent of any liability of the Buyer to the Seller, be held by the Buyer on trust for the Seller, in the case of proceeds in a separate bank account and in the case of goods, separate and distinct, properly stored, protected and insured.

http://www.haydockaccess.co.uk/terms-and-conditions

The Seller shall have the right to require the Buyer to deliver any apparatus covered by this warranty to a designated service center and the Buyer shall pay both in-bound and out-bound transportation charges, accepting only the direct and actual cost of apparatus repair or replacement as provided above.
http://www.ips.us/PDF/TC.pdf