Yes, this is simple to do in Ordoro. Please learn more about shipping requirements with Canada Post by visiting their website.
1. Select the order you would like to make a label for.
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2. In the shipping label modal on the right side, select the Carrier as Canada Post.
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3. Select Additional Options. This will expand to show the Reference Number and Invoice Number. Ordoro populates these fields with the order ID but these values can be changed.
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NOTE: The Reference Number allows for a maximum of 35 characters. The Invoice Number allows for a maximum of 10 characters.