4.8.8.2  The Anti-Doping Organization collecting an Athlete’s  Whereabouts Filings may specify a date prior to the first day of each quarter (i.e., 1 January, 1 April, 1 July and 1 October, respectively) when an Athlete in a Registered Testing Pool  shall file a Whereabouts Filing that contains at least the following  information:  [Comment to 4.8.8.2: To facilitate planning and readiness for Testing on the first day of the quarter (as countenanced in Article 4.8.8.2), Anti -Doping Organizations may require that whereabouts information is submitted on a date which is the 15th of the month preceding the quarter.