Taxpayers can pay using American Express, Discover, MasterCard or Visa. Payments can typically be made via phone, the Internet or through tax preparation software. The IRS website page  Pay taxes by credit or debit card  provides details and current prices.
Taxable Dependents. A taxable dependent is a person who is eligible to be claimed as a dependent, but still earns an income. Claiming a dependent earns a taxpayer a $3,650 tax exemption, according to the IRS.
Definition of a Dependent for Tax Purposes. In the United States, the Internal Revenue Service (IRS) treats dependents as exemption credits that can be claimed on an annual tax return. This is a significant exception credit that can reduce the amount of taxable income by $3,900 for each dependent claimed.