The packages are regularly reviewed through consultation with the industry sector ensuring that the courses remain both relevant and effective. In 2009, the National Standardization Projects for Child Care Teacher Qualification and Training were implemented, resulting in the provision of Standard Teacher Training Subject List and Field Practicum Guidelines, and the Standard In-service Training Curriculum. The implementation of these, which will be enforced by law, is expected to occur in 2013. Due to the changes in the living environments of children and in the ways of child rearing by parents, the expectations for the role and quality of nursery centres increased.