Doxycycline is used for malaria prophylaxis or treatment. When it is administered for treatment of P falciparum malaria, this drug must be used as part of combination therapy (eg, typically with quinine or quinidine).
If you buy goods and are not charged the Rhode Island Sales Tax by the retailer, such as with online and out-of-state purchases, you are supposed to pay the 7% sales tax (less any foreign sales tax paid) for these items yourself as the Rhode Island Use Tax.
the sales tax jurisdiction, jurisdiction code, and tax rate on sales or purchases of utilities or utility services. JURISDICTION/RATE LOOKUP BY ADDRESS. Sales tax rates. The combined sales and use tax rate equals the state rate (currently 4%) plus any local tax rate imposed by a city, county, or school district. An additional sales tax rate of 0.375% applies to taxable sales made within the Metropolitan Commuter Transportation District (MCTD). The combined rates vary in each county and in cities that impose sales tax. Local taxing jurisdictions. New York's retail sales tax is a destination tax.