Security for costs in VIAC arbitration: protection when cost recovery is at risk
19 August 2026 | Mag. Bernhard Brandauer, Rechtsanwalt
When a VIAC tribunal may order security for costs, what must be shown and what may happen if the ordered security is not provided.
Security for costs may become important in VIAC arbitration where recovery of a possible costs award appears to be specifically at risk. Article 33 paragraph 6 of the Vienna Rules permits a targeted application against a party asserting claims or counterclaims. A general concern does not by itself establish the required likelihood.
Security is neither an advance paid to VIAC nor a preliminary decision on the merits. Its purpose is to protect a possible claim for reimbursement of procedural costs. Every party must be given an opportunity to comment before the tribunal decides.
This article explains the requirements of the application, distinguishes security from the general advance on costs and outlines the possible consequences if ordered security is not provided.
Is an application for security for costs prepared?
The short check structures the next step. The result is transmitted only if you actively submit the form.
Do you have specific documents showing that recovery of a possible costs award is at risk?
Review the application and evidence together
The factual basis is available. The possible costs claim, the specific risk, the scope requested and the procedural position should now be assessed together.
- Secure current evidence concerning recovery
- Explain the possible costs claim clearly
- Justify a proportionate amount of security
Complete the factual basis
Individual indications do not yet support a reliable application. Organise current documents and separate proven facts from assumptions.
- Document the chronology
- Review public and contractual records
- Connect the material to the possible costs claim
Assess the risk of non-recovery first
A general concern does not automatically support an application. First identify the specific circumstances that could make recovery sufficiently likely to be at risk.
- Do not present assumptions as established facts
- Secure the current procedural record
- Distinguish an advance on costs from security for costs
When security for costs may be considered
Under Article 33 paragraph 6 of the Vienna Rules, the tribunal may, on a party’s application, order a party asserting claims or counterclaims to provide security for procedural costs. The applicant must show that recovery of a possible costs claim is sufficiently likely to be at risk.
The rule does not create an automatic entitlement to security. The application, factual basis and amount requested must fit the particular proceedings. The tribunal decides only after giving every party an opportunity to comment.
Advance on costs and security are different
The VIAC advance funds administrative costs, arbitrator fees and expected expenses. Security for costs protects a party’s possible claim for reimbursement of procedural costs. Recipient, purpose and legal requirements are therefore different.
The article on the unpaid VIAC advance on costs explains interim funding of the proceedings. An application under Article 33 paragraph 6 does not concern that funding. It concerns the risk that a later costs award cannot be recovered.
What the applicant must show
The central issue is recovery of a possible costs claim. The application should identify specific, current and verifiable circumstances. It should also explain why those circumstances make non-recovery sufficiently likely at the time of the decision.
The Vienna Rules do not prescribe a fixed list of evidence. Documents should therefore not be collected mechanically. Their date, reliability and connection to the possible costs claim matter. Statements about the other party’s financial position require particular care and support.
Comments and the tribunal’s decision
Every party must be given an opportunity to comment before the decision. The party facing the application may challenge the alleged facts, their currency, the conclusions drawn and the proportionality of the request, and may submit its own material.
A complete application should separate the procedural basis, the claims asserted, the possible costs claim and the alleged risk. The topic page on preparing arbitration proceedings provides the broader structure for a VIAC case.
If ordered security is not provided
If a party fails to comply with an order for security, Article 33 paragraph 7 permits the tribunal, on application, to suspend all or part of the proceedings or to terminate them. The consequence does not arise automatically upon the first failure to pay.
The wording of the order, the period set, the affected claim and the further application are therefore central to the review. Article 34 paragraph 2 item 2.4 expressly identifies non-compliance with an order for security as a possible ground for termination.
Distinction from later enforcement
Security for costs is considered during the arbitration. It differs from security in later enforcement or stay proceedings. The article on security in enforcement proceedings addresses that later stage.
The final decision on costs also remains separate. Section 609 ZPO and Article 38 of the Vienna Rules concern which party ultimately bears reasonable procedural costs. An order for security does not prejudge that decision.
Documents needed for legal review
Prepare the arbitration agreement, the applicable Vienna Rules, request for arbitration, response, any counterclaims, existing procedural orders and the current timetable. Add every document relied on to establish the alleged risk of non-recovery.
Create a short chronology and identify which facts are supported by current evidence. The guide to preparing a VIAC request for arbitration helps to organise the claims and procedural basis before addressing costs security.
Common questions about security for costs
Can security for costs be required automatically? No. Article 33 paragraph 6 of the Vienna Rules requires an application. The applicant must show that recovery of a possible costs claim is sufficiently likely to be at risk.
Is security for costs the same as the VIAC advance on costs? No. The advance funds the arbitration. Security protects a party’s possible claim for reimbursement of costs.
Does the case end immediately if security is not provided? No. On application, the tribunal may suspend all or part of the proceedings or terminate them. The specific order, affected claims and further application matter.
Next step
Contract, arbitration clause, correspondence and deadlines should be collected. It can then be assessed whether negotiation, preservation or arbitration is central.