An employment contract may be concluded:

1. for an indefinite term;
2. for a specified period of at least one year, except in cases established by subparagraphs 3), 4), 5) and 6) of this paragraph;
3. At the expiration of the employment contract, the parties shall have the right to extend it for an indefinite or definite period of at least one year;
4. In the event of expiration of the employment contract, if none of the parties within the last working day (shift) has notified in writing of the termination of the employment relationship, it shall be considered extended for the same period for which it was previously concluded, except as otherwise provided paragraph 2 of Article 51 of this Code;
5. The number of extensions of the term of an employment contract concluded for a specific period of at least one year may not exceed two times;
6. With the continuation of the labor relationship, the employment contract is considered concluded for an indefinite period:

• for the duration of performing a certain work;
• while replacing a temporarily absent employee;
• for the duration of performing the seasonal work;

The conclusion of an employment contract is allowed with citizens who have reached the age of sixteen.

An employment contract may be concluded with:

1. citizens who have reached the age of fifteen, in cases where they receive basic secondary, general secondary education in the organization of secondary education;
2. students who have reached the age of fourteen to perform work in their spare time that is not harmful to health and does not interrupt the learning process;
3. with persons under the age of fourteen, in cinematography organizations, theaters, theater and concert organizations, circuses for participation in the creation and (or) performance of works without prejudice to health and moral development, subject to the conditions specified in subparagraph 2) of this paragraph.

Beside with a minor, an employment contract must be signed by one of his parents, a guardian, trustee or adoptive parent.