what are the regulations to apply for citizenship
Form N-400, Application for Naturalization. The form N-400 is used to apply for U.S. citizenship. The green card holders, who satisfy the eligibility requirements, can apply for the Form N-400, Application for Naturalization. Eligibility Requirements : Form N-400, Application for Naturalization. The form N-400 is used to apply for U.S. citizenship. The green card holders, who satisfy the eligibility requirements, can apply for the  The individuals applying for the Form N-400, Application for Naturalization need to satisfy certain criteria.