In 2012, Moscow underwent a massive territorial expansion known as the "New Moscow" project. This resulted in significant changes to registration laws, property rights, and administrative zoning. Codes like this are frequently found in:
: This points to the year 2012 and likely the second volume (tom 2) or a specific time period/tier. Contextual Significance msk_propiska_p_II_2012t2
: Referencing specific court rulings or legislative amendments regarding residency. In 2012, Moscow underwent a massive territorial expansion