From Reg 31.3506, the definition of "sitters" is " For purposes of this section, the term “sitters” means individuals who furnish personal attendance, companionship, or household care services to children or to individuals who are elderly or disabled." and according to this section of the IRC of 1954, "c) Individuals deemed self-employed. Any individual who, by reason of this section, is deemed not to be the employee of a companion sitting placement service shall be deemed to be self-employed for purposes of the tax on self-employment income (see sections 1401–1403 and the regulations thereunder in part 1 of this chapter (Income Tax Regulations))."