This third volume of the collection features a variety of scientific articles published in journals, dealing with the Brazilian law. In turn, through an irresistible invitation of Philip Serafim Mapilele (Philosopher, specialist in Ethics and Master in Rights and International Business), to be presented also to the reader a scientific article about Nampula, Mozambique autarchy. The other articles of my own address the following subjects: Business Law (Commercial), Political Science and Tax Law. Good reading!