I'm using what was mentioned to me by my brokerage in Canada, I would go by what you posted if USA:
Important Tax-Loss Selling Dates:
Wednesday, December 24, 2014 is the last day for tax-loss selling for Canadian stocks.
Friday, December 26, 2014 is the last day for tax-loss selling of U.S. stock for Canadian investors.
Wednesday, December 31, 2014 is the last day for tax-loss selling for U.S. investors for Canadian and U.S. securities.
Note: Investors must wait 31 calendar days before buying back any equity to take a tax loss on the security.
