code: @Nullable
    public VATCountryData getVATCountryData (@Nonnull final Locale aLocale)
    {
      ValueEnforcer.notNull (aLocale, "Locale");
      final Locale aCountry = CountryCache.getInstance ().getCountry (aLocale);
      return m_aVATItemsPerCountry.get (aCountry);
    }
docs: Get the VAT data of the passed country.
  
  @param aLocale
  The locale to use. May not be <code>null</code>.
  @return <code>null</code> if no such country data is present.