Autonomous part of a foreign state

Autonomous part of a foreign state

The autonomous part of a foreign state, to the territory of which the central authority of this foreign state does not extend, having a common border with the Russian Federation, has sent a petition to the highest bodies of state power of the Russian Federation on joining the Russian Federation.
Is a positive solution to this issue possible, and in what order?

Additional information:

After payment you will be available a link to the solution of this problem in the file of MS Word. It should be noted that the problem solutions put up for sale were successfully handed over in the period 2009-2019 and could be outdated. However, the general algorithm will always remain true.