a method for reassigning a section out of a plurality of sections of a digitally represented printed product from an original signature to a new signature for producing said section , the method including displaying a table on a computer display , wherein the table includes a list of items , each item representing a section and including a section identifier , a signature identifier associated to the section identifier and representing a signature to which the section is assigned and a signature portion index indicating a portion of the signature corresponding to the section ; selecting on the computer display a specific item including a specific signature portion index ; and moving on the computer display the specific signature portion index from one item to another one , thereby assigning a different section to a specific signature having the specific signature portion index .