Methods and Effects of Acquiring Citizenship in Iran with a Comparative View of French and English Law

The issue of citizenship and acquired citizenship is one of the serious and challenging issues in research and legal processes. Acquired citizenship is the acquisition of new citizenship for a person after a period of time after birth; if a person acquires new citizenship shortly after birth, it is called acquired citizenship. The purpose of this research, which was carried out in a descriptiveanalyticalway, is to identify the effects of acquired citizenship in the legal systems of Iran and the countries of England and France. The reason for choosing these two legal systems is the laws in the field of citizenship and the progressiveness of the laws of these countries. The researcher seeks to answer the main question of the research that the effects of acquired citizenship in each of these What are legal systems like?Another question is, what are the similarities and differences between these works? The results of the research show that the effects of acquired citizenship in the legal system of Iran, France, and England include rights and duties; Persons who acquire the citizenship of these countries enjoy all the rights that are prescribed for ordinary citizens, but some Jobs are denied. The duties of a person who has acquired Iranian citizenship include things such as taxes, performing military service, obeying and recognizing the rights of the Iranian government, and respecting national dignity and affairs. Obtaining acquired citizenship in Iran, France, and England laws has effects on the wife (permanent and temporary marriage) and child (relative child, whether legitimate or illegitimate or child born from a surrogate mother and adopted child). The laws of England and France can attract talented people, but Iran's laws need to be revised. This revision may include new terms and works