This article deals with genesis of the Portuguese Ordinances, mainly of the Manuelinas Ordinances, with the ACETYL-L-CARNITINE objective to argue, the of formation context of these codices, its sources and the difficulties found for its compilation.With approach for the manuelino period, the analysis falls again on the regal ideal that guideline the construction of the image of Regular D.Manuel, disclosed for the adoption of one based regal politics in justice and the relation with the religious one.