/ˌnɒnəbˈzɜːvənsˈ/ – Adjective
Definition: không tuân thủ (quy tắc..).
A more thorough explanation: Non-observance refers to the failure to comply with or adhere to a law, rule, regulation, agreement, or other legal obligation. It signifies the act of not following or obeying a specific requirement or standard that is expected or required by law.
Example: The non-observance of the contract terms by the tenant resulted in the landlord initiating legal action for breach of agreement.