Morocco

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The organic laws may only be promulgated after the Constitutional Court has decided on their conformity with the Constitution. (Art. 85)

The Constitutional Court exercises the attributions which are devolved on it by the Articles of the Constitution and the provisions of the organic laws. It decides, moreover, on the regularity of the election of the members of Parliament and of the operations of referendum.
The organic laws before their promulgation and the regulations of the Chamber of Representatives and of the Chamber of Councilors, before their implementation, must be submitted to the Constitutional Court which decides on their conformity to the Constitution.
To the same ends, the laws, before their promulgation, may be deferred to the Constitutional Court by the King, the Head of Government, the President of the Chamber of Representatives, the President of the Chamber of Councilors, or by one-fifth of the members of the Chamber of Representatives or forty members of the Chamber of Councilors.
… (Art. 132)

The Constitutional Court is competent to take cognizance of a pleading [exception] of unconstitutionality raised in the course of a process, when it is maintained by one of the parties that the law on which the issue of the litigation depends, infringes the rights and freedoms guaranteed by the Constitution.
An organic law establishes the conditions and modalities of application of this Article. (Art. 133)