FY 2018 Per Diem Highlights GSA establishes the per diem rates for the lower 48 Continental United States (CONUS), which are the maximum allowances that federal employees are reimbursed for expenses incurred while on official travel.
Rice wine vinegar and rice vinegar are different names of the same thing. In order to make vinegar, acetic acid bacteria ferment ethanol, which would be rice wine in this case. Rice wine and rice cooking wine are different.
Red wine vinegar is essentially a fermentation product of red wine, you can safely substitute red wine for certain recipes that demand red wine vinegar. The acidic properties of red wine vinegar are due to the work of bacteria called acitobacter, during the process of fermentation. Red wine can be substituted for vinaigrette and marinade recipes.