Late Corporate Tax Filing? Here’s What You Need to Know!

Bob Gauvreau explains deadlines, penalties, and audit risk when corporate tax returns are filed late. Key points: balance owing must be paid within 90 days of the corporate year end (example: March 31 → payment due June 30); the corporate tax return must be filed within 180 days (six months) of year end (example: March 31 → filing due September 30). If the balance is paid within 90 days and nothing is owing at filing, there is no late-filing penalty. If a balance remains owing at the filing deadline, the late-filing penalty is 5% initially plus 1% per month thereafter. Filing late also raises the agency risk profile and increases the chance of an audit. Practical mitigation: keep bookkeeping current and work with professionals.
Questions this video answers
Within 90 days of the corporate year end (example: March 31 year end → pay by June 30).
Within 180 days (six months) of the corporate year end (example: March 31 year end → file by September 30).
Initial 5% of the balance owing plus 1% for each additional month late.
If the balance owing was paid within the 90-day payment window and nothing is owing at the filing deadline, there is no late-filing penalty.










