(8)For reasons of legal certainty it is necessary to clarify, in the table set out in Annex XVIII to Regulation (EC) No 809/2004, how schedules and building blocks should be combined when drawing up a prospectus, including where only certain information items of schedules and building blocks are required, where certain information items may not be applicable due to specific combinations of schedules and building blocks in particular cases, and where the issuer, offeror or person asking for admission to trading on a regulated market may choose between different schedules and building blocks according to specific thresholds, such as the minimum denomination of debt securities, or conditions set out in Regulation (EC) No 809/2004.