Do I need a Visa to attend HPCA 2016 in Spain?

A visa may be required to enter Spain for some nationalities. Please check with your local Spanish embassy/consulate whether or not this applies to you. In case a visa is required, please apply as soon as possible, as obtaining the visa may take several weeks. Visit the following website to find the Official information regarding Visas.
 

Invitation Letter

If you need an invitation letter to HPCA 2016, you should follow the registration process for the conference. In the “REGISTRATION DETAILS” form, near the bottom of the page you should assert the checkbox that reads “I need an invitation letter for visa purposes”.