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At the moment (2021-10-26) , this condition has been tested in all regions, and cannot be reproduced.
NOTE: all AME/AMO/AOC numbers should be stripped down to numeric characters ONLY, before being evaluated against AME_info, AMO_info, AOC_info for validity and M79_sdr_submitter for prior use
The system allows registry of the same document number, provided submitter types are different (co-incidentally identical AMO, AOC numbers for example)
In the case of AME numbers, they need to be “active”
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