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www.fdanews.com/articles/114940-japan-explains-registration-process-for-drug-substance-master-files

Japan Explains Registration Process for Drug Substance Master Files

February 26, 2009
Continuing a year-old practice of offering English versions of useful documents and guidelines, Japan’s Pharmaceuticals and Medical Devices Agency has published information on registering data on pharmaceutical substances in English. Under the master file system for drug substances, companies can voluntarily register quality and manufacturing data on substances used to produce finished pharmaceutical products.
International Pharmaceutical Regulatory Monitor