In order to provide a greater opportunity for more people to present at the conference, CIEES 2023 offers you variety of options to register and to present your work:

1. All prices are in Euro.
2. The conference fee includes the opening ceremony and welcome cocktail, full access to all technical (oral and online) sessions, exhibition area, all meals (breakfasts, coffee breaks, lunch and dinner), two nights’ accommodation, printed conference program, publication of one paper in conference proceedings and conference kit (conference bag, badge, booklet, pen, and other related objects).
3. Each additional paper will be charged with 160 EUR.
   
4. Each registered participant may not present more than three (3) papers.
5. Author registration is compulsory for proceedings. In order to be included in the CIEES 2023 conference proceeding, an appropriate author’s registration and payment for each accepted paper must be received by November 15th, 2023. After November 15th, 2023 registration payments will be not included in the conference.
6. *IEEE membership proof required
7. **PhD students must prove their status.
8. Accompanying person fee: 140 EUR (double room).
9. Multiple authors who are attending the conference must register separately, and those who are not presenting should register as accompanying persons.
10. For participants who will stay in a double room, please let us know if you want to share your room with a friend or colleague who registers for the conference as a participant or accompanying person. Otherwise, the conference organizing committee will assign the rooms to participants based on their gender.

If you are unsure about the category you belong or you are from PLOVDIV REGION, please contact the organizing committee for more details: conference@ciees.eu.

1. All prices are in Euro.
2. The conference fee includes the opening ceremony and welcome cocktail, full access to all technical (oral and online) sessions, exhibition area, all meals (breakfasts, coffee breaks, lunch and dinner), two nights’ accommodation, printed conference program, publication of one paper in conference proceedings and conference kit (conference bag, badge, booklet, pen, and other related objects).
3. Each additional paper will be charged with 160 EUR.
   
4. Each registered participant may not present more than three (3) papers.
5. Author registration is compulsory for proceedings. In order to be included in the CIEES 2023 conference proceeding, an appropriate author’s registration and payment for each accepted paper must be received by November 15th, 2023. After November 15th, 2023 registration payments will be not included in the conference.
6. *IEEE membership proof required
7. **PhD students must prove their status.
8. Accompanying person fee: 140 EUR (double room).
9. Multiple authors who are attending the conference must register separately, and those who are not presenting should register as accompanying persons.
10. For participants who will stay in a double room, please let us know if you want to share your room with a friend or colleague who registers for the conference as a participant or accompanying person. Otherwise, the conference organizing committee will assign the rooms to participants based on their gender.

If you are unsure about the category you belong or you are from PLOVDIV REGION, please contact the organizing committee for more details: conference@ciees.eu.

Fill the Registration Form. The registration form will be available on September 1, 2023.
Participants who need an invoice corresponding to the payment of registration fees must indicate it through the Registration Form. The invoice will be send in PDF via e-mail.

Transfer fees and bank charges are participant‘s engagement. The sender must pay all appropriate wire transfer charges in addition to the registration fees. Bank fees should not be “shared”.
Make the payment for the registration fee by Bank Transfer, indicating as concept your PaperID and Surname.
The participants from Bulgaria must pay the registration fee in BGN!
The registration fee must be paid into the following bank account: