IMPORTANT CHANGES TO THE UNIVERSAL CHILD TAX BENEFIT: A boost to the benefit to $160 a month per child up to age 6 and is introducing a credit of $60 per month for children aged six to 17 years, effective Jan. 1, 2015. Every Canadian family with children under 18 is set to receive $420 per child just three months ahead of the next scheduled federal election — plus regular monthly cheques