Xanaxâs average half-life is 11 hours. This means that it takes an average of 11 hours for the body to eliminate half the Xanax dose. In older or obese people, or those with liver disease, Xanaxâs half-life is longer, as long as 40 hours. It takes several half-lives to eliminate a drug completely.
The child tax credit is worth up to $1,000 for each qualifying child. This credit can be both a nonrefundable and a refundable credit. The refundable portion of the child tax credit is called the additional child tax credit. To qualify for the child tax credit, both of these must apply: The qualifying child must be under age 17 at the end of the year.
1 Child Tax Credit-Tax credit of to $1,000 per qualifying dependent child under age 17. 2  Credit phase-out begins at $110,000 for joint filers and $75,000 for single filers. 3  Earned Income Tax Credit-A flexible tax credit for low-income taxpayers, based on number of children.