Speakers/ Delegates attending Chemistry Conference 2019 should apply for Schengen Visa to visit Rome.
Your application should be submitted at the Embassy or Consulate at least one month prior to the date of your journey begins.
For more details kindly click:https://www.schengenvisainfo.com/who-needs-schengen-visa/
Specifications for a Schengen Visa may change moderately between the different Schengen countries.
Please click the following link for further information: https://www.schengenvisainfo.com/