If you are a Web EDI vendor, please send your query to apac-sap-frontoffice@bms.com
For paper copies - be sure you have mailed your invoice correctly to the correct Place of trade. Also check that you have fulfilled all the invoicing requirements.
You should only be invoicing:
Bristol Myers-Squibb K.K. (0434)
Please ensure the correct billing address as defined on the Purchase Order.