Name: participants-data-submission
Type: request
Purpose: >
  Stores a CSV file with additional participant attributes on the server
Response: receipt
Inherits: message
Elements:
  Signature: { required: true }
  From: { required: true }
  Date: { required: true }
  Participants-Data: { required: true, type: string, min_length: 3 }
  Id-Title: { required: true, type: string, min_length: 1, max_length: 32 }
  Delimiter: { type: string, min_length: 1, max_length: 1 }
  Enclosure: { type: string, min_length: 1, max_length: 1 }
  Escape: { type: string, min_length: 1, max_length: 1 }
Rejection-Codes:
  22: Column specified in Id-Title does not exist
  31: Sender is not authorized to submit participants data
Notes: >
  The CSV data (Participants-Data) must not contain line breaks within fields.

  The fields of the first line are taken as column titles.

  Id-Title is the title of the column containing the participant IDs.