"Income tax on no income" is exactly what imputed income is, as mentioned by OP. Free perks from an employer are, for example, (in the US), taxed as income.
https://www.hrblock.com/tax-center/income/what-is-imputed-income/
"Income tax on no income" is exactly what imputed income is, as mentioned by OP. Free perks from an employer are, for example, (in the US), taxed as income.
https://www.hrblock.com/tax-center/income/what-is-imputed-income/