Identification of the sender of the interchange
| Position | Element | Name | Type | Min/Max | Repeat | |
|---|---|---|---|---|---|---|
| S003-10 | 10 | Interchange recipient identification | Mandatory | Alphanumeric | 1/35 | 1 |
| S003-20 | 7 | Identification code qualifier | Opt | Alphanumeric | 1/4 | 1 |
| S003-30 | 14 | Interchange recipient internal identification | Opt | Alphanumeric | 1/35 | 1 |
| S003-40 | 46 | Interchange recipient internal sub-identification | Opt | Alphanumeric | 1/35 | 1 |
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