These guidelines assist Administrations, shipowners and seafarers develop shipboard working arrangements and records of seafarers’ hours of work or hours of rest as required by the Seafarers’ Hours of Work and the Manning of Ships Convention, 1996. This publication also takes into account the provisions on establishment of rest periods for watchkeeping personnel contained in the International Convention on Standards of Training, Certification and Watchkeeping for Seafarers, 1978, as amended.