IRS Taxpayer Help - Installment Sales https://www.irs.gov/taxtopics/tc705.html https://www.irs.gov/taxtopics/tc705.html recognized on the installment sale basis https://www.irs.gov/taxtopics/tc705.html https://www.irs.gov/taxtopics/tc705.html Tax Topics on the IRS’ website Topic 705 – Installment Sales IRS “Tax Topic 705: Installment Sales” Tax Topics on the IRS’ website