When is the deadline for challenge of the sole arbitrator (heap)?
The catalogue records a 7 days period from Receipt of notification of appointment/confirmation, or awareness of the facts (whichever later). This draft page remains free only until its source, worked example and limits are reviewed.
ICC Rules 2026 Appendix VI Art. 5Source review required
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Preliminary calculation
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Example pending review
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Calculation basis and source
- Period
- 7 days
- Trigger
- Receipt of notification of appointment/confirmation, or awareness of the facts (whichever later)
- Counting
- The encoded calculator method must be independently documented before publication.
- Rollovers and holidays
- Holiday, closure and order treatment must be independently documented before publication.
Open recorded source. ICC Rules 2026 Appendix VI Art. 5. ICC Arbitration Rules 2026
- 7-day admissibility cut-off — shorter than the standard 30 days.