The ASTM D4267-07 (15) specification specifies requirements for labeling small-batch (100 ml or less) containers of parenteral medications. The standard requires that the label should include the generic name of the drug (required), the proprietary name (optional), the amount of drug per unit, and the total amount of liquid. The text of the label should contrast sharply with the background, and the typesetting direction should be parallel to the long axis of the container to ensure legibility. This specification is intended to reduce medication errors caused by labeling that is difficult to read, but does not relieve the user of responsibility for correctly identifying the drug. This standard applies to label design and identification of liquid drug containers.