POU expected ADT and billing structure

The figure below shows the expected structure of an ADT HL7 Data:

The Billing HL7 data shall have a single matched [FHS] (File Header Segment) and [FTS] (File Trailer Segment) for every file. It shall also contain a single [BHS] (Batch Header Segment) and [BTS] Batch Trailer Segment. Each financial transaction of every patient visit record shall have its corresponding [MSH] (Message Segment Header) and zero or more financial transaction. Details of each segment shall be provided on the next section.

Below is a sample