In unique circumstances where WADA  determines that it would be in the best interest of anti-doping, WADA  may authorize IWF to enter into appropriate confidentiality agreements limiting or delaying the disclosure of the Substantial Assistance agreement or the nature of Substantial Assistance being provided.10.7.2   Admission of an Anti-Doping Rule Violation in the Absence of Other Evidence Where an Athlete  or other Person  voluntarily admits the commission of an anti-doping rule violation before having received notice of a Sample  collection which could establish an anti-doping rule violation (or, in the case of an anti-doping rule violation other than Article 2.1, before receiving first notice of the admitted violation pursuant to Article 7) and that admission is the only reliable evidence of the violation at the time of admission, then the period of Ineligibility may be reduced, but not below one-half of the period of Ineligibility otherwise applicable.5110.7.3  Application of Multiple Grounds for Reduction of a Sanction Where an Athlete  or other Person  establishes entitlement to reduction in sanction under more than one provision of Article 10.5, 10.6 or 10.7, before applying any reduction or suspension under Article 10.7, the otherwise applicable period of Ineligibility  shall be determined in accordance with Articles 10.2, 10.3, 10.5, and 10.6.