It's tag 942 subfield c (Koha [default] item type), but you need to define it first in: Home › Administration › Item types administration. Remember if you don't allow circulation of reference books then you need to check the box (Not for loan:) when you define it. Best Regards, Mohammed Nashbat Library Instructor -----Original Message----- From: Koha [mailto:koha-bounces@lists.katipo.co.nz] On Behalf Of Tanzeem M.B Sent: Tuesday, December 27, 2016 09:20 ص To: koha@lists.katipo.co.nz Subject: [Koha] marc21 tag for reference book Hi can anyone help me find the marc21 tag information concerning whether a book is reference or not. -With Thanks & Regards Tanzeem M.B * Informatics Division* +91 9446705956 _______________________________________________ Koha mailing list http://koha-community.org Koha@lists.katipo.co.nz https://lists.katipo.co.nz/mailman/listinfo/koha ________________________________ DISCLAIMER: This electronic mail transmission contains confidential information intended only for the person(s) named. Any use, distribution, copying or disclosure by any other person is strictly prohibited. If you received this transmission in error, please notify the sender by reply e-mail and then destroy the message. Opinions, conclusions, and other information in this message that do not relate to the official business of Alfaisal University shall understand to be neither given nor endorsed by Alfaisal University. The contents of any attachment to this e-mail may contain software viruses, which could damage your own computer system. While “Alfaisal University” has taken every reasonable precaution to minimize this risk, we cannot accept liability for any damage which you sustain as a result of software viruses. You should carry out your own virus checks before opening the attachment.