New Zealand has tightened work visa rules in response to unsustainable migration levels. Low-skilled applicants now have to fulfil English-language requirements and are allowed to stay on for three years - down from five previously. Immigration Minister Erica Stanford says getting their immigration settings right is critical to this government's plan to rebuild the economy. Employers are responsible for ensuring that migrants meet the specified requirements before offering them a job. Authorities have also decided to axe earlier plans to add 11 roles, such as welders, fitters and turners, to the list of occupations that would qualify for a fast track to residency.