Code 886 - Data Not Converted from Source Format
Optional. Repeatable First Indicator: Type of field 0 Record label 1 Variable control field (0-- fields without indicators or subfields) 2 Variable data field (010-999 fields) Second Indicator: Not defined
Subfields: a - Tag of the Source Format Field (NR) b - Indicators and Subfields of the Source Format Field (NR) 2 - System Code (NR)