The request doesn't need to contain any additional detail.
The (type) attribute has to be set to remarks.

<?xml version="1.0" encoding="UTF-8"?>  
    <query type="remarks" product="hotel" />  

The response message contains in its tag response, remarks list in form <remark code="value">. Every remark contains its description in all available languages in form <descriptions><language name="en" value="description">...</descriptions>.
Tag's attribute are:

  • code
    • unique code
  • name
    • language name
  • value
    • remark description in specified language