WADA
Nasri was sanctioned for receiving an intravenous drip treatment at a clinic in Los Angeles in 2016, when he was on loan at Sevilla from City.
"The employees of training bases must not notify athletes' staff or the athletes themselves of the arrival of doping control officers at the training bases," the letter reads.
World Anti-Doping Agency will visit the Egyptian laboratory for its final steps of accreditation internationally.
The World Anti-Doping Agency announced Tuesday it had provisionally suspended the WADA accreditation of the lab of the (AFLD) due to "analytical issues".
Abdel Aziz follows the steps of accreditation of Egyptian anti-doping lab internationally.
