canSystemNo DEFINITIONS ::=
	-- The object identifier for this EXTERNAL
	-- is 1.2.124.10161.2

BEGIN

IMPORTS ILLString FROM ISO-10161-ILL-1;

System-no ::= SEQUENCE SIZE (1..10) of SEQUENCE {
	System       System,
	record-no    Record-no
		}

System ::= ENUMERATED {
	dobis 		(1),
	candoc 		(2),
	oclc 		(3),
	rlin 		(4),
	utlas 		(5),
	other 		(6)
	}
	-- this list is not final.  Other systems
	-- as identified by users and implementors
	-- will be added

Record-no ::= ILLString (SIZE (1..50))
	-- do not include the acronym for the system
	-- as part of the record number unless
	-- "other (6)" is chosen.
END