James is hired by company X in South Africa.
The first and second year's he is given a fixed term contract (Period 1 year each).
The third year he is offered permanent employment and remains at Company X for 18 months when suddenly he decides to resign.
James checks his permanent employment contract's resignation paragraph:
The following notice periods will apply for the respective working periods: Where the working period is: (i) Less than six (6) months: one (1) weeks’ notice. (ii) Six (6) months or longer – but less than one (1) year: one (1) calendar months’ notice. (iii) Longer than three (3) years: three (3) months’ notice.
Which notice period does James need to give to not be in breach of contract?