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Error code(s):388

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Hello Marjan,


I believe this is is a T2 Corporate Tax return error.  For T2 ONLINE Support : Login in to your T2 account and go to Help (“?” top right corner)

CRA cannot process the return transmitted since the tax period for this return overlaps an existing tax period for a return already assessed. For assistance, contact CRA's Corporation Internet Filing Helpdesk at 1-800-959-2803


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