The QPP data submission period for Year 2 (2018) began on January 2, 2019. You may now log in through the QPP website and upload your data files or attest for Improvement Activities and/or Promoting Interoperability. Data must be submitted by April 2, 2019 at 7:00 p.m. CST to receive credit. You can add and correct data anytime until the submission deadline. For example, if you enter Quality data today, you can attest for Improvement Activities at a later date.