60.1420—If a semiannual report is required, when must I submit it?
        
        (a) 
         For data collected during the first half of a calendar year, submit your semiannual report by August 1 of that year.
    
    
        
        (b) 
         For data you collected during the second half of the calendar year, submit your semiannual report by February 1 of the following year.