Investigating the Status of Bibliographic Records in the Iranian National Library's OPAC in Order to Using the RDA

The goal of this research is to Investigate the status of Bibliographic Records In Iranian National Library`s OPAC in order to RDA Rules. This research is done through a survey method and with descriptive -analytical approach. The sample of this research is 1794 fields existed in 111 bibliographic records on Iranian history subject that cataloged in two years (1386, 1390). Findings show that there is existing coincidence between 88% fields of bibliographic records with RDA rules. The most bugs that are recognized are non- coincidence between 47.07% records and 11.20% fields with RDA, non- entering correct information in 31.38% records and 7.46% fields, non- entering information in correct fields in 12.41% records and 2/95% fields, cataloging errors in 5/15% records and 1.22% fields and type errors in 3.98% records and 0.94% fields. The most bugs except non-coincidence with RDA rules are more in 1386 than 1390. other one out put of this research is Mapping Table of Iran Mark- RDA that used for bibliographic records control.