- Government of Canada
- PEI Tax and Land Information
- Canada Revenue Agency
- Innovation PEI
- Department of Agriculture & Forestry
February 28th: T4/T5 Summary and Information slips and WCB annual estimate forms
March 31: T3 summary and information slips; T5013 partnership information returns
April 30: Personal Tax Returns (without self employment income) and Personal Income Tax Payment Deadline
June 15: Personal Tax Returns (with self employment income)
September. 30: Agristability Supplemental forms
November 1: Deadline for WCB annual estimate revisions