WTA RANKING SYSTEM  SECTION VIII - WTA RANKING SYSTEM (d) all relevant laboratory tests and applicable surgical reports; and iv. if applicable, evidence (e.g., legal documentation) demonstrating  the Parental Start. b. Timing WTA in its sole discretion reserves the right to require a player to submit  additional documentation to verify the Medical Condition, Parental Start,  or Pregnancy. If a player is applying for a Special Ranking for more than  one (1) Medical Condition or for a combination of a Medical Condition(s)  and a Parental Start or Pregnancy, she must submit documentation for  each Medical Condition and Parental Start or Pregnancy. Each player applying for a Special Ranking must submit her Special  Ranking Application: WTA may request subsequent medical and legal (as applicable) status reports  written in English, and if a player fails to comply promptly with such requests,  the WTA may revoke her Special Ranking. WTA will keep all medical and legal  documentation confidential. i.  within twenty-six (26) weeks after the start of her Out-of-Competition  Period; and ii.  at least thirty (30) calendar days before the entry deadline for the first  Tournament that she wants to enter using her Special Ranking. a.  Number of Tournaments 4.  Requests for Subsequent Status Reports and Documentation  Handling 5.  Usage Criteria and Guidelines A player whose Out-of-Competition Period is less than fifty-two (52)  weeks may use her Special Ranking in up to eight (8) Tournaments  (singles or doubles, as applicable). A player whose Out-of-Competition  Period is fifty-two (52) weeks or longer may use her Special Ranking in  twelve (12) Tournaments (singles or doubles, as applicable). A player may use her Special Ranking to participate in a maximum of  two (2) WTA 1000 Mandatory Tournaments and two (2) Grand Slams as  part of her maximum Tournaments to use her Special Ranking, and she  may use her Special Ranking to participate in each WTA 1000 Mandatory  Tournament and Grand Slam only one (1) time per Special Ranking. 156