If you are being asked for your Netfile Access Code, this can be skipped as it is not necessary and can be left empty.
As per another client who contacted the Canada Revenue Agency (CRA): "If "web services" is not turned on within MY Account, you will receive the error message 021 and you will not be able to download the data." Please contact the CRA by calling them at 1-800-959-8281.
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