code: def override_account_fields(self,
                                  settled_cash=not_overridden,
                                  accrued_interest=not_overridden,
                                  buying_power=not_overridden,
                                  equity_with_loan=not_overridden,
                                  total_positions_value=not_overridden,
                                  total_positions_exposure=not_overridden,
                                  regt_equity=not_overridden,
                                  regt_margin=not_overridden,
                                  initial_margin_requirement=not_overridden,
                                  maintenance_margin_requirement=not_overridden,
                                  available_funds=not_overridden,
                                  excess_liquidity=not_overridden,
                                  cushion=not_overridden,
                                  day_trades_remaining=not_overridden,
                                  leverage=not_overridden,
                                  net_leverage=not_overridden,
                                  net_liquidation=not_overridden):
          
          # mark that the portfolio is dirty to override the fields again
          self._dirty_account = True
          self._account_overrides = kwargs = {
              k: v for k, v in locals().items() if v is not not_overridden
          }
          del kwargs['self']
docs: Override fields on ``self.account``.