A document rack is provided to comprises a front wall 4 formed with at least one opening 7, a back wall 5 formed with at least one notch 5a, and a bottom wall 6 for connecting lower ends of front and back walls 4, 5 to structurally constitute a housing 3. A front portion 2 of a document validator 1 may be arranged in inner chamber 10 through notch 5a of back wall 5 so that users can easily take out documents in a lump from a pocket 13 of the document rack for reuse of documents because pocket 13 may receive and retain documents dispensed from document validator 1 to prevent scatter and contamination of the discharged documents.