If you are claiming the eligible dependant credit for the child (aka you were a single parent), all of the UCCB income you received will be listed under their income. No need to separate the figures by child. If you received UCCB payments for three children for example, and are claiming the Eligible Dependant credit for one of them, you would enter the total amount of UCCB received in 2016 as income to that child.
Here's a link for more information: https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-re...
If you are claiming the eligible dependant credit for the child (aka you were a single parent), all of the UCCB income you received will be listed under their income. No need to separate the figures by child. If you received UCCB payments for three children for example, and are claiming the Eligible Dependant credit for one of them, you would enter the total amount of UCCB received in 2016 as income to that child.
Here's a link for more information: https://www.canada.ca/en/revenue-agency/services/tax/individuals/topics/about-your-tax-return/tax-re...