Preheat oven to 350° degrees. Lightly spray an 8"x8" baking pan and line with parchment paper.
In a medium bowl, mix the flour, baking soda, salt, cinnamon, ginger, nutmeg, and allspice along with the old fashioned oats.
In the bowl of an electric mixer cream together vegan margarine and sugars until light and fluffy.
Add the flax "egg", vanilla and pumpkin, mixing until smooth.
Fold in the chocolate chips. Spread in an even layer in the prepared pan.
Bake for 15-20 minutes or until light golden brown and a toothpick inserted in the center comes out just clean. Cool IN THE PAN on a wire rack.
Remove from the pan and cut into 9-12 bars.