As IRS doesn’t issue NOA like CRA does, a Canadian who filed with IRS should call the IRS to follow up on the tax (and/or other) return processing, first giving IRS 6 weeks; contact the IRS 6:00 am to 11:00 pm (EST) M-F by telephone listed at at http://www.ustaxservices.ca One can obtain a transcript from IRS (or engage us to do so - we use IRS taxpros service along with a POA from taxpayer) but note that IRS won’t have a transcript on their system until after they’ve received and processed the return. For more details, see https://www.linkedin.com/pulse/how-obtain-irs-tax-return-transcript-cra-now-requires-daniel-gray?trk=mp-author-card