Conference fees

	BGN	EUR
1. Participation with 1 report - published in AIP Conference Proceedings¹	600 / 500^*	300 / 250^*
2. Participation with 1 report - published in BulTrans Proceedings (ISSN 1313-955X)²	200 / 50^*	100 / 25^*
3. Participation with 2 reports - one published in AIP Conference Proceedings¹ and one in BulTrans Proceedings (ISSN 1313-955X)²	650 / 550^*	325 / 275^*
4. Co-authors and participants without reports³	150	75
5. Companion of a participant⁴	80	40
6. Reports by students and PhD students⁵	discount 50%	discount 50%

^* For the online participants, the papers will be presented via an online video call and broadcast live for all conference participants.

¹ For publishing a second report in AIP Conference Proceedings, an additional fee of BGN 400 (EUR 200) has to be paid.

² For publishing a second report in BulTrans Proceedings (ISSN 1313-955X), an additional fee of BGN 50 (EUR 25) has to be paid.

³ Regardless of the number of co-authorships and the publication issue, co-authors pay BGN 150 (EUR 75), given that the full publication fee for the respective report is already paid by another co-author. Each author can be a co-author in up to 2 papers for AIP Conference Proceedings and 2 for BulTrans Proceedings.

⁴ A participant companion is a family member who is not a co-author and does not participate in the scientific events of the conference. The fee includes welcome cocktail and official dinner.

⁵ Discount for papers in which all authors are students or PhD students with age not greater than 35. All co-authors who participate on-site pay the regular co-author fee.

Bank Accounts

Eurobank Bulgaria AD

BIC: BPBIBGSF

IBAN (BGN): BG89 BPBI 7940 1046 1397 02

IBAN (EUR): BG98 BPBI 7940 1446 1397 01

Recipient: Technical University of Sofia - Technologies EOOD

VAT (ID) number: BG 130 506 225

Reason: BulTrans-2023 Conference