WTA RANKING SYSTEM  SECTION VIII - WTA RANKING SYSTEM b. Timing i.  The earliest a player’s Return to Competition may occur is in a match  scheduled during the same calendar week in which her Out-of- Competition Period reaches twenty-six (26) weeks. ii.  A player has fifty-two (52) weeks from the date of her Return to  Competition to use her Special Ranking (“Special Ranking Period”). iii.  The latest a player may use her Special Ranking is at a Tournament  scheduled the same calendar week in which her Special Ranking  expires. iv.  If a player has both singles and doubles Special Rankings, her Return  to Competition for both Special Rankings begins at the same time. c. Procedures i.  Special Ranking Freeze Petition (a) Subsequent Medical Condition (i)  for a Special Ranking originally for a Medical Condition or  Parental Start, the beginning of a player’s original Out-of- Competition Period; and (ii)  for a Special Ranking originally for Pregnancy, the end of the  Pregnancy. (b) Subsequent Pregnancy or Parental Start If any player’s Return to Competition occurs and before her  Special Ranking expires she subsequently is Out of Competition  for a minimum of thirteen (13) weeks because of a Medical  Condition, she may request to “freeze” her Special Ranking  Period by completing and submitting another Special Ranking  Application; provided, however, that regardless of any “freeze,”  a player’s Special Ranking expires no later than the date that is  156 weeks after: If before a player’s Special Ranking expires (but regardless  of whether her Return to Competition has occurred) she  subsequently is Out of Competition for Pregnancy or a Parental  Start, she may complete and submit another Special Ranking  Application to request either: 157