Final answer:
When a landlord gives a three-day notice and the default is not cured, they may initiate an unlawful detainer action to legally evict the tenant.
Step-by-step explanation:
When a landlord gives a three-day notice to a tenant and the default is not cured after three days, the landlord may initiate an unlawful detainer action. This is a legal process in which the landlord files a lawsuit against the tenant for possession of the property. If successful, the court may order the tenant to vacate the premises and may also award the landlord any unpaid rent or damages.
Learn more about Unlawful detainer actions in landlord-tenant relationships