Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
the arbitrator may make rulings and resolve disputes as to the payment and reimbursement of fees or expenses at any time during the proceeding and upon request from either party made within 14 days of the arbitrator 's ruling on the merits . 

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. OPTIONS: ['Jurisdiction' 'Unilateral termination' 'Contract by using'
 'Choice of law' 'Content removal' 'Limitation of liability' 'Arbitration'
 'Unilateral change' 'None'].