:'''<nowiki># </nowiki>''' =a =b =c =d =u =z =Information not available:a = Completed or ceased<br />Used for received single -part or completed multipart units or for continuing resourcesthat have ceased.:b = on order<br />Used for serial or non serial units when the units are on order but have not yet beenacquired.:c = Received regularly<br />

:d = Not currently received<br />Used for serial units when newly published pieces are not being received, whatever thereason, by the reporting location.:u = Unknown:z = Other