Once the negotiations are over, they will be signed, as agreed by the Re and the Director. The agreement is now mandatory for all employees. A Working Time Agreement (WTA) is a collective agreement that is concluded at the school level between the union (s) and the principal. Curriculum for Excellence Working Group Tackling Bureaucracy Each Local Teacher Bargaining Committee (LNCT) will provide guidance to schools in your area to agree on a WTA. Curriculum for Excellence – A Statement for Practitioners from HM Chief Inspector of Education (August 2016) . JS/15/62 Wages and Conditions Agreement 2015 – Working Time Agreements – Teacher Employment Service Management Everything you need to know about working time agreements can be found in the document below.