Approval of long vacation leave H29 Leave may be apperoved by the Permanent Secretary orr Principal Assistant Secretary of the Ministry in which the public servant is serving and in the case of a department ( not under Ministerial control ) by the official Head or deputy Head of Department . In the case of Permanent Secretaries of Ministries and Heads of Departments not under Miniserial cotrol leave will be approved by the Permanent Secretary,Public Service Ministry.