The program is one to three weeks long and takes place in 7th, 8th or 9th grade, depending on the school.
Each student can choose and apply to their work independently and has to sign a Contract with both the school and the employer.
Students working in the program are normally entitled to one free meal per day, but they receive no salary or allowance.
TET students normally have a six-hour workday, with only one mandatory 30-minute lunch break.
Rules require that no heavy lifting (over 15 kg) be part of normal labour, and there are other specifications.