How far back can I upload historical data in PortfolioAnalyst?

The PortfolioAnalyst does not have a limit or maximum date range from December 31, 2008 onward.

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What does "to prevent trade busts for executions away from market your order has been rejected" mean?
What is the maximum date range for creating a custom PortfolioAnalyst report?
Is there a limit or maximum date range to the time period I can review in PortfolioAnalyst?
Does Social Contribution Tax ("szochó") apply to TBSZ accounts?