Два юриста решили совместно заниматься

Two lawyers decided to jointly engage in advocacy.
What form (s) of legal education can they establish? (The justification of the answer is with reference to the Federal Law “On Advocacy and the Bar in the Russian Federation” of May 31, 2002 (as amended)).

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be noted that the problem solutions put up for sale were successfully handed over in the period 2009-2019 and could be outdated.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.