Not to be confused with Yukon wolf. The northwestern wolf, Canis lupus occidentalis, also known as the Mackenzie Valley wolf or northern timber wolf is a subspecies of gray wolf in western North America. It ranges from the upper Mackenzie River Valley, southward into central Alberta.
The executor must file a federal income tax return (Form 1041) if the estate has: 1  gross income for the tax year of $600 or more, or. 2  a beneficiary who is a nonresident alien.
Documents you may need to file your taxes include: 1  T4, Statement of Remuneration Paid. 2  T4A, Statement of Pension, Retirement, Annuity, and Other Income. 3  T4A(OAS), Statement of Old Age Security.4  T4A(P), Statement of Canada Pension Plan Benefits. 5  T4E, Statement of Employment Insurance and Other Benefits.ersonal income taxes for 2014 must be filed by May 5th, 2015 but self-employed persons get until June 15, 2015 to file their personal income tax returns.