1. Legal Age: Both the European citizen and the non-European citizen must be of legal age to marry, which is usually 18 years old in most European countries.
2. Valid Passport: Both individuals must have valid passports or travel documents that are recognized by the country where the marriage is taking place.
3. Proof of Residency: The European citizen may be required to provide proof of residency in the country, such as a utility bill or a rental agreement.
4. Certificate of No Impediment: Both individuals may be required to obtain a certificate of no impediment from their respective countries, which states that there are no legal obstacles to the marriage.
5. Legal Capacity to Marry: Both individuals must have the legal capacity to marry, which means they are not already married to someone else and are mentally competent to make decisions regarding marriage.
6. Language Proficiency: In some cases, the non-European citizen may be required to demonstrate a basic level of proficiency in the local language of the country where the marriage is taking place.
7. Witness Requirement: There may be a requirement for a certain number of witnesses (usually two or more) to be present during the marriage ceremony.
8. Marriage Registration: After the marriage ceremony, the marriage must be registered with the appropriate authorities in the country where it took place. This typically involves completing and submitting legal documents and paying any required fees.
It's important to note that these are just general requirements and the specific requirements may vary from country to country, so it's essential to check with the relevant authorities or consult with an immigration lawyer or legal expert who specializes in such matters to ensure compliance with all the applicable laws and regulations.