You do not need to include Form 8915-E with your return. However, as larrybrow mentions above, including Form 8915-E
with your return will relieve you of the additional 10% tax on early distributions, even if you don't want to spread the distribution over 3 years.
For more information, please see this TurboTax Help article: What is Form 8915-E Qualified 2020 Disaster Retirement Plan Distributions and Repayments?
