This section contains links to the basic law texts. Official sources should be checked for the current and binding text. The linked law texts are in Turkish. LABOR LAW No. 4857 Turkish Penal Code No. 5237 (TCK) Code of Criminal Procedure No. 5271 (CMK) LAW No. 5275 ON THE EXECUTION OF PENALTIES AND SECURITY MEASURES Land Registry Law No. 2644 Foreign Direct Investment Law No. 4875 Law on Foreigners and International Protection No. 6458 Turkish Code of Obligations No. 6098 ADMINISTRATIVE PROCEDURE LAW No. 2577 (IYUK)