37 than Secretariat Officials, and Experts on Mission and members are requested to acknowledge its receipt. In addition, regulation 1  (b) specifically requires experts to make the following written declaration witnessed by the Secretary-General or an authorized representative: I solemnly declare and promise to exercise in all loyalty, discretion and conscience the functions entrusted to me by the United Nations, to discharge these functions and regulate my conduct with the interests of the United Nations only in view, and not to seek or accept instructions in regard to the performance of my duties from any Government or other source external to the Organization. According to regulation 3, experts are accountable to the United Nations for the proper discharge of their functions. The commentary to this regulation notes that, for experts, either the Secretary-General or the appointing authority may terminate an assignment or otherwise admonish the expert. D. Prohibition of discrimination, harassment and abuse Regulation 2 (k) prohibits discrimination, harassment, including sexual and gender harassment, as well as physical or verbal abuse. Treaty body members have a right to perform their duties free from discrimination, harassment and abuse. Likewise, they must not themselves discriminate, harass or abuse anyone in the exercise of their functions, including other stakeholders and members of the secretariat. IV. WORKLOAD AND EXPECTATIONS As noted in the introduction, being a treaty body member is a rewarding experience. Members can take on a variety of roles and contribute to their treaty body in a unique way. These roles include being a Chair, a country rapporteur under the reporting procedure, a rapporteur for a general comment and so on. At the same time, there are also certain expectations regarding workload that each member should take on. This chapter identifies these roles and workload expectations, and provides some basic information relevant to working with OHCHR. A. Specific roles and responsibilities Members often take on specific roles and responsibilities that are essential to the good functioning of the committees and enable them to contribute in various