Designation of income tax authority: Joint Director assigned for international group reporting, with updated filing and documentation responsibilities. Revises Rules 10DA and 10DB and Form No. 3CEAB: substitutes 'Director' for 'Commissioner' in Rule 10DA and reframes the filing population as 'constituent entities of an international group required to file the information and document under sub rule (2)'; designates the income tax authority for section 286 reporting as a Joint Director designated by the Principal Director General or Director General of Income tax (Systems); amends the filing fee and removes ',resident in India,' from Form 3CEAB heading.