Important Federal, Quebec and U.S.
Reporting Deadlines for 2018

In order to help you plan accordingly for 2018, we have compiled the important
reporting deadlines that are required by the various levels of government.

FEDERAL AND QUEBEC DEADLINES

January 10Deadline for final deduction at source remittances on 2016 salaries and benefits for employers who are accelerated remitters (Level 1)
January 15Deadline for final deduction at source remittances on 2016 salaries and benefits for monthly remitters
January 30Deadline for interest payments on spousal or employee loans for the previous year
February 28Deadline to file T4 (RL-1), T4A, T5 (RL-3), RL-31 and summaries
March 1 Deadline for RRSP contributions for 2016
March 15First personal income tax instalment for 2017
March 15Deadline to file the Déclaration annuelle des salaires for CNESST
March 15Deadline to file the Employers' Health Tax annual return (Ontario)
March 31Trust return filing deadline including T3 slips and summary
March 31Filing deadline for NR4, Statement of Amounts Paid or Credited to Non-Residents
March 31Deadline to file the Reconciliation Form with WSIB (Ontario)
March 31Deadline to file T5013, Statement of Partnership Income (or five months after the end of the partnership's fiscal period if all members are corporations)
April 30Balance of tax due for all individuals, and income tax returns filing deadline for individuals other than those eligible to file by June 15
April 30Balance of GST and QST due for sole proprietorships with an annual reporting period
June 15Income tax returns filing deadline for self-employed individuals as well as their spouse or common-law partner (taxes due April 30)
June 15Second personal income tax instalment for 2017
June 15Deadline for sole proprietorships to file their annual GST and QST returns
September 15Third personal income tax instalment for 2017
End of October-beginning of NovemberReception of the Décision de classification CNESST – you have 30 days to make a request for a revision if you do not agree with your classification or if a modification is required
December 15Fourth personal income tax instalment for 2017
6 months after corporation's year-endFiling deadline for T106, Information Return of Non-Arm's Length Transactions with Non-Residents (total transactions over $1M)
6 months after entity's year-end
Filing deadline for T5018, Statement of Contract Payments, by individual, partnership, trust or corporation in the construction business making payments to subcontractors
15 months after entity's year-end
Deadline to file T1134, Information Return Related to Controlled and Not-Controlled Foreign Affiliates
18 months after corporation's year-end
Deadline for filing T661, Scientific Research and Experimental Development (SR&ED) Claim
1 month after last day of reporting periodFiling deadline and due date for balances due for GST and QST returns of registrants with monthly or quarterly reporting periods
3 months after last day of reporting periodFiling deadline and due date for balances due for GST and QST returns of registrants with an annual reporting period (except individuals with a December 31 year-end and business income for income tax purposes)
T1135 – FOREIGN INCOME VERIFICATION STATEMENT

The deadline for filing form T1135 corresponds to the filing deadline of the individual, corporation, partnership or trust return.

CORPORATION INCOME TAX RETURNS

2 or 3 months after year-endThe federal balance due date for corporate income taxes is two months after the end of the tax year. The balance due date is three months if the following conditions apply:

- the corporation was a Canadian controlled private corporation throughout the tax year;

- the corporation claims the small business deduction (SBD) for the tax year or was allowed the SBD in the previous tax year; and

- the total of the taxable income of ALL the associated corporations for their last tax year ending in the previous calendar year does not exceed the total of their business limits for those tax years.

For Quebec, the balance due must be paid two months after the corporation's year-end.
6 months after year-endDeadline for filing corporation income tax returns for federal and Quebec

U.S. DEADLINES

January 15Fourth personal income tax instalment for the previous year
March 15Deadline to file Form 3520-A reporting information on foreign trust activities
April 15Deadline to file Form 1120 for a December year-end U.S. corporation, and Form 1120-F for a December year-end foreign corporation with an office or place of business in the U.S., Form 7004 can be filed to request a 6-month extension to file
April 15Deadline to file income tax returns for U.S. citizens or residents, and deadline to remit any balance due for all U.S. people whether resident or not
April 15Filing deadline for calendar-year estate/trust tax returns or extensions to file
April 15Deadline for individuals to file Form 4868, Application for Automatic Extension of Time to File U.S. Individual Income Tax Return, and remit any balance due for the previous year
April 15FBAR filing deadline for U.S. citizens or residents
April 15First personal income tax instalment for the current year
June 15Filing deadline for income tax returns for U.S. citizens or residents residing and working outside of the U.S. (automatic extension to file)
June 15FBAR filing deadline for U.S. citizens or residents residing and working outside of the U.S. (automatic extension to file)
June 15Deadline to file Form 8840 closer connection exception for individuals meeting the substantial presence test in the U.S.
June 15Second personal income tax instalment for the current year
June 15Deadline to file Form 4868, Application for Automatic Extension of Time to File U.S. Individual Income Tax Return, for a 4-month extension to file for U.S. citizens residing outside of the U.S. but balance of tax due must be remitted by April 15
June 15Filing deadline for Form 1120-F for a December year-end foreign corporation with no office or place of business in the U.S. (15th day of the 6th month after year-end), Form 7004 can be filed to request a 6-month extension to file
September 15Third personal income tax instalment for the current year
September 15Deadline to file 2016 calendar-year estate/trust tax returns if an extension has been filed
October 15Deadline to file Form 1120 for a December year-end U.S. corporation with extension to file, and Form 1120-F for a December year-end foreign corporation with an office or place of business in the U.S. with extension to file
October 15Extended deadline for personal income tax returns if Form 4868 is filed
December 15Filing deadline for Form 1120-F for a December year-end foreign corporation with no office or place of business in the U.S. with extension to file
For additional information, please contact a member of our Tax Deparment.