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Income Tax
9 Months Ended
Sep. 30, 2021
Income tax  
Income tax
10. Income Tax
No provision for income taxes has been required to be accrued because the Company and all of its subsidiaries are in cumulative loss positions for all the periods presented.
The Company recorded a full valuation allowance against deferred tax assets of all its consolidated entities because all entities were in a cumulative loss position as of September 30, 2021 and December 31, 2020. No unrecognized tax benefits and related interest and penalties were recorded in any of the periods presented.