This ad hoc query examines whether EMN Member and Observer Countries apply mechanisms that regulate or limit the number of citizenship or naturalisation applications that may be submitted or processed within a given period. It also looks at possible future changes and at any legal or practical concerns regarding compatibility with the European Convention on Nationality.

This ad hoc query provides an overview of which EMN Member and Observer Countries require criminal record certificates in order to issue long-stay visas or residence permits. Details are provided on the categories of third-country nationals exempted from this requirement, the countries from which these certificates are required (country of origin and/or of previous residence), the other types of documents that may be accepted in lieu of a certificate (such as an affidavit), and more.