https://www.gov.uk/government/publications/roll-on-roll-off-ports-location-codes-for-data-element-523-of-the-customs-declaration-service?&utm_source=haulier30&utm_medium=stk_email&utm_campaign=transition&utm_conten=Jan22UK
Find the codes which can be used in Data Element 5/23 to identify the location where the goods may be examined for roll on roll off ports (Appendix 16R).
location codesdata elementrollports