Article 9 Residence permit

1Where required by national legislation, each Contracting Party shall issue residence permits to migrant workers who have been authorised to take up paid employment on their territory under conditions laid down in this Convention.2The residence permit shall in accordance with the provisions of national legislation be issued and, if necessary, renewed for a period as a general rule at least as long as that of the work permit. When the work permit is valid indefinitely, the residence permit shall as a general rule be issued and, if necessary, renewed for a period of at least one