TRetService

Value	Value as human readable
`None`	`None`
`Electronic`	`Electronic`
`OneAttempt`	`OneAttempt`
`PrintMail`	`PrintMail`
`Print`	`Print`
`ThreeAttempt`	`ThreeAttempt`
`Web`	`Web`
`ReturnManager`	`ReturnManager`
`PrepaidElectronic`	`PrepaidElectronic`
`PrepaidPrint`	`PrepaidPrint`
`PrepaidPrintMail`	`PrepaidPrintMail`
`PrintQR`	`PrintQR`
`EmailQR`	`EmailQR`
`PickAndReturn`	`PickAndReturn`
`ShopReturn`	`ShopReturn`