Article 6 under the mandatory section 12 which prohibits alien place where local whenever by any prohibited or prohibited by the terms, which are only determined by Royal Decree.
Under Article 6, Section 12, which prohibits any work in any locality at any aliens made by strictly forbidden. Or prohibited by the terms of any such matter shall be determined by Royal Decree.
Section 6 subject to section 12 any task that prohibit the aliens do in any locality when the strictly forbidden. Or not the conditions to determine how either by decree .