Identify the unfair aspect with respect to the sentence extracted from an online Terms of Service:
```
13.1 as a host you are solely responsible for determining your obligations to report , collect , remit or include in your listing fees any applicable vat or other indirect sales taxes , occupancy tax , tourist or other visitor taxes or income taxes ( `` taxes '' ) . 

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