If you want to find out what data you'll need to gather in order to comply with a channel's category then you'll need to download a Category report.

A Category report is simply a spreadsheet representation of the data a retailer wants you to provide to sell into that category.

To access category reports go to the channel view and select the report icon (top right) as shown below and you'll be presented with a category picker to select the report for that category:
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Follow the prompts and you'll be presented with a category report.
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You can either navigate to the relevant leaf category or search for it directly.

You can then decide to either download those requirements or to look at them online.