R.I. Gen. Laws § 44-18-19
Collection of sales tax by retailer
The retailer shall add the tax imposed by this chapter to the sale price or charge, and when added the tax constitutes a part of the price or charge, is a debt from the consumer or user to the retailer, and is recoverable at law in the same manner as other debts; provided, that the amount of tax that the retailer collects from the consumer or user is as follows:
| Amount of Sale | Amount of Tax |
| $0.01 to $ .08 inclusive | No Tax |
| .09 to .24 inclusive | .01 |
| .25 to .41 inclusive | .02 |
| .42 to .58 inclusive | .03 |
| .59 to .74 inclusive | .04 |
| .75 to .91 inclusive | .05 |
| .92 to 1.08 inclusive | .06 |
and where the amount of the sale is more than one dollar and eight cents ($1.08) the amount of the tax is computed at the rate of six percent (6%); provided, that the amount of tax that the retailer collects from the consumer or user for the period commencing July 1, 1990 is as follows:
| Amount of Sale | Amount of Tax |
| $ 0.01 to $ .07 inclusive | No Tax |
| .08 to .21 inclusive | .01 |
| .22 to .35 inclusive | .02 |
| .36 to .49 inclusive | .03 |
| .50 to .64 inclusive | .04 |
| .65 to .78 inclusive | .05 |
| .79 to .92 inclusive | .06 |
| .93 to 1.07 inclusive | .07 |
and where the amount of the sale is more than one dollar and seven cents ($1.07) the amount of the tax is computed at the rate of seven percent (7%).