The section header must start in area A. (See the figure in the topic Reference Format Representation.)

 It may start in area B.
 It may start in area B. 
               
            
 A section may be parameterized, in that it can accept arguments and provide a return value; in which case, the header can
               contain additional parameter references - see 
               	 Parameterized Sections for full syntax and examples.
 A section may be parameterized, in that it can accept arguments and provide a return value; in which case, the header can
               contain additional parameter references - see 
               	 Parameterized Sections for full syntax and examples.
               
            
A non-parameterized section consists of zero, one, or more paragraphs in the Environment Division or Procedure Division or zero, one or more entries in the Data Division.