Which of the following points are ‘correct’ with respect to the recent (on Dec 22) step taken by the Reserve Bank of India (RBI)? 
A) RBI revises Framework of Categorization of Urban Co-operative Banks (UCBs) for  Regulatory Purposes w.e.f December 1, 2022. 
B) RBI also eases rules for foreign branches or subsidiaries of banks or All India Financial Institutions (AIFIs) to deal in financial products that are not permitted in India w.e.f. December 1, 2022. 
C) Letters of cooperation were exchanged between the RBI and the Financial Services Agency  (FSA), Japan in the field of Central Counter Parties (CCPs) to improve mutual cooperation.