According to the IRS Instructions for Forms 1099-R and 5498:
 Note. These instructions are for the person completing the Form 1099-R to distribute, and so TaxAct uses these IRS instructions in the program as a guide to handling the amounts reported on forms containing these codes.
 Code Q - Qualified distribution from a Roth IRA
 Use Code Q for a distribution from a Roth IRA if you know that the participant meets the 5-year holding period and:
 - The participant has reached age 59 1/2, or
  - The participant died, or
  - The participant is disabled.
  
 Code T - Roth IRA distribution, exception applies
 Use Code T for a distribution from a Roth IRA if you do not know if the 5-year holding period has been met but:
 - The participant has reached age 59 1/2, or
  - The participant died, or
  - The participant is disabled.
  
 In the TaxAct program, if Code J or T is used, the checkbox is marked to indicate that the 5-Year Holding Period has NOT been met, and entries have been made for the conversion to a Roth IRA then Form 5329 will compute the additional tax on the distribution.
 To indicate the 5-year holding period has not been met:
 - From within your TaxAct return (Online or Desktop), click Federal
  - Click Retirement Plan Income in the Federal Quick Q&A Topics menu to expand the category, and then click IRA, 401(k), and Pension Plan Distributions (Form 1099-R)
  - Click +Add Form 1099-R to create a new copy of the form or click Review to review a form already created
  - Click Quick Entry
  - Scroll down to the section Additional Information not reported on Form 1099-R
  
 To enter the information about the Roth conversion:
 - From within your TaxAct return (Online or Desktop), click Federal
  - Click Retirement Plan Income in the Federal Quick Q&A Topics menu to expand the category and then click Taxpayer [Spouse] Additional taxes on qualified plans (Form 5329)
  - Click Review next to Early distributions from a retirement plan
  - Click Continue until you reach the screen with fields for the year in which you converted to a Roth IRA
  - Enter the amounts from the lines indicated on Form 8606 for the applicable year