<p> Serial Control Category 1 Field</p><p>The purpose of this optional category field is to denote a control record’s special characteristics for serial control statistical analysis. Serial control categories are used as selection criteria in reports for generating detailed statistical breakdowns by library-defined characteristics. Another use of this field might be to indicate how a subscription is acquired. </p><p>Example: </p><p>Acquisitions Serials Congress Fall 2004 - 1 - 09/24/2004/PRO  DUPLICATE – USED FOR IDENTIFYING MULTICOPY SUBSCRIPTIONS</p><p> EXCHANGE – USED FOR EITHER A PAID EXCHANGE OR A NON-PAID EXCHANGE</p><p> GRATIS – USED WHEN WE RECEIVE MATERIAL AT NO COST TO OUR LIBRARY</p><p> SUB – USED FOR A PAID SUBSCRIPTION</p><p> SUB_CD – USED WHEN THE FORMAT IS A CD-ROM</p><p> SUB_CW - USED WHEN TWO OR MORE TITLES ARE RECEIVED AND INVOICED AT ONE PRICE INSTEAD OF SEPARATE BILLING, SUCH AS MEMBERSHIPS, SUBSCRIPTION PLANS, AND COMES WITH </p><p> SUB_MF – USED WHEN THE FORMAT IS A MICROFORM [MICROFILM, MICROFICHE,MICROCARD]</p><p> SUB_MONO – USED WHEN THE ORDER IS FOR A TITLE WHICH IS PUBLISHED AS A MONOGRAPHIC SERIES</p><p> UNKNOWN – USE THIS IF YOU DO NOT KNOW WHAT THE DESIGNATION SHOULD BE.</p><p>Acquisitions Serials Congress Fall 2004 - 2 - 09/24/2004/PRO</p>