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Sequence number checks (java)
2F-Q1 For each node (in an edition) that corresponds to a scanned page, if the [billedID] is followed by a letter, these letters must be sequential "within" the [billedID].
MF-PAK related checks (java)
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2F-Q1 For each node (in an edition) that corresponds to a scanned page, if the [billedID] is followed by a letter, these letters must be sequential "within" the [billedID].
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