The purpose of this study was to receive, review and analyse the views of the working cataloguers in National Library in the various aspects of using RDA in Iran. The end result shows a proposed model to incorporate RDA in Iran, based on the view of the cataloguers working at the National Library of the Islamic Republic of Iran, which can be used by other libraries and information centres. The survey was conducted using a questionnaire. Results show that cataloguers think there is a need to localize for using the RDA but the current structure can also be used. From the perspective of the cataloguers RDA rules are more successful than the previous (Anglo-American). For this purpose, the cataloguers know that the most appropriate option is the National library and the change may take 3 to 7 years. With regard to software changes, cataloguers believe changes should be applied gradually and slowly. An appropriate approach in the field of bibliographic records is to use the new rules for cataloguing new resources and gradual change in the previous records.

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