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Pre-service
Describes a request decided before the service is provided, as opposed to a post-service payment request.
The protocol separates pre-service requests (Tables 1 and 2) from payment requests (Table 3). In Table 4, pre-service cases are entered as Standard or Expedited, while post-service cases are entered as Payment. Table 6 excludes all pre-service cases.
Source: ODAG protocol, Universe Table 4, Column H, PDF p. 35.