En anden grund til , at serie- / lotnummereret forsyning er ufleksibel er , at serie- / lotnumre generelt tildeles så sent i processen , at det ville være forvirrende , hvis der foreslås ændringer .

Another reason that serial / lot numbered supply is inflexible is that serial / lot numbers are generally assigned so late in the process that it would be confusing if changes are suggested .
