The follow information comes from http://www.orbiscascade.org/staffhome/instn_fields_and_records.htm
I
(Item) Field, MARC tag 949
From the local item
record.
Example: 949 i3089365|b0|corum |eKF1262 .R54 1997|w1|fp|sN
Subfields
|a Item
record no. on local system
|b Item
type -- ITYPE
|c Location code on local system ?(repeatable)
|e Call
number from item record, or from bib. record if none in item record
|n Notes.
Contents of item field tag "x". new subfield for INN-Reach; currently
looking into ramifications for union catalog.
|v Volume
information
|w Copy
number
|f Circulation
status code, including due date and holds if appropriate. byte1:one character status
code. bytes 2-3:# of holds. bytes4-9:due date yymmdd
|s Suppression
code, from ICode2? in local item record (with or without intermediate mapping
table to re-map codes from local to central values). N=No suppress (caution!
local record scode2 is not n or l) Y=Yes, Suppress display (caution! local
record scode2=n or l)
|q 5-character agency code, used only for members with Agency model (2003: OSU+COCC)
|u URL
for 856 field. note: stores only the first 856 URL that appears in an
Innovative y tagged field in local item record. Accompanying text is
specified by the |z tag (i.e. text in subfield z)
|z URL
text for 856 field. note: stores
only the first 856 URL that appears in an Innovative y tagged field in local
item record.
Overlay --Brian, Fri, 28 Sep 2007 10:57:59 -0400 reply
Does it have an 01 field and is that used for overlay. How about an 019 field?