Do you mean the advance CTC payments ?
Go to this IRS website for the portal - https://www.irs.gov/credits-deductions/advance-child-tax-credit-payments-in-2021
Go to this IRS website for information concerning the portal updates - https://www.irs.gov/credits-deductions/2021-child-tax-credit-and-advance-child-tax-credit-payments-t...
