a626632e_roduction_to_reports_in_Access__Where_the_section_can_be_used
[Section] Report Header At the beginning of the report. [Where the section can be used] 
Use the report header for information that might normally appear on a cover page, such as a logo, a title, or a date. When you place a calculated control that uses the Sum aggregate function in the report header, the sum calculated is for the entire report. The report header is printed before the page header.
Introduction to reports in Access