Subject to the provisions of this section and sections 137 and 138, for the purposes of this Part an employee is dismissed by his employer if (and only if)—
Subsection (1)(c) does not apply if the employee terminates the contract without notice in circumstances in which he is entitled to do so by reason of a lock-out by the employer.
An employee shall be taken to be dismissed by his employer for the purposes of this Part if—
In this Part the "obligatory period of notice", in relation to notice given by an employer to terminate an employee's contract of employment, means—
in any other case.
Where in accordance with any enactment or rule of law—
operates to terminate a contract under which an employee is employed by him, the act or event shall be taken for the purposes of this Part to be a termination of the contract by the employer.