Do I really need a written work contract?

Is this your situation?

Getting a written contract is your right

When you start work you should receive a written document stating your pay, hours, duties and rest days, and the employer must give you a copy.
Under 18 means extra paperwork

If you are under 18, the workplace must keep a document proving your age and a consent form from your parent or guardian.
Unfair clauses may not be valid

Terms that are worse than the legal minimum, such as "one day of pay is deducted if you are late", may not be enforceable. Ask before you sign.

1.
Check four things before signing

1) the hourly rate, 2) the pay date, 3) the start and finish times, 4) what work you will do. Make sure all four are written down.
2.
Always take your own copy

If you cannot get paper, photograph it, or ask for it by text or messenger so you have a record.
3.
Do not sign what you do not understand

You do not have to sign on the spot. It is fine to say "I will read it at home and bring it tomorrow".
4.
Call 1350 if you are refused a contract

Explain your situation to the Ministry of Employment and Labor helpline (1350) and they will tell you what to do next.

Please note

For a final decision on whether a contract term is lawful, check with the Ministry of Employment and Labor or a legal advice service.

Describe your situation in your own words. Write in any language and the answer comes back in that language.