The following functions have been assigned to 403 Implementation Units: (1) to ensure Implementation of the Code of Discipline, Code of Conduct, labour enactments, awards, agreements, etc., with a view to reducing at the source the main cause of industrial strife; (2) to supplement the work of the Industrial Relations Machinery in taking preventive action where disputes are brewing and in settling long pending disputes which could not be settled otherwise; (3) to maintain liaison with Central, State or local units, as the case may be, to ensure effective working of the implementation machinery; (4) to arrange meetings of Implementation Committees and to function as their Secretariat; (5) to bring about out of court settlement of cases pending in High Courts and the Supreme Court; (6) to ensure that cases are screened by the Screening Committees set up by the Central Employers ' and Workers ' Organisations before appeals are filed in higher courts; (7) to evaluate; (a) major strikes, lock outs and disputes in order to fix responsibility for them, and (b) the working of important Labour legislations, awards, policies, decisions, etc.