260-40-05 R.I. Code R. § 1.2
Whenever an employing unit becomes newly subject to the R.I. Employment Security Act, R.I. Gen. Laws Chapters 28-42 through 28-44, or the R.I. Temporary Disability Insurance Act, R.I. Gen. Laws Chapters 28-39 through 28-41, it shall immediately inform the Director thereof in writing. On or before the tenth day next following the date upon which said employing unit has employed one or more individuals in employment, it shall file with the Department of Labor and Training, Form DET-TX-8, Application for Determination of Liability, or such other form(s) as may be required by these rules or the R.I. Employment Security Act or the R.I. Temporary Disability Insurance Act, containing all such information as indicated thereon.
260 R.I. Code R. § 260-RICR-40-05-1.2