Cotler has served on the Standing Committee on Foreign Affairs and its sub-Committee on Human Rights and International Development, as well as on the Standing Committee on Justice and Human Rights.
کاتلر در کمیته دائم امور خارجه و کمیته فرعی حقوق بشر و توسعه بین‌المللی و نیز کمیته دائمی عدالت و حقوق بشر فعالیت داشته‌است.