There are three general requirements for all applicants for the Subclass 186 visa, as well as other specific requirements depending on the stream you apply under.

The following are the general requirements:

The applicant must be nominated by an Australian employer.
Unless there is an exemption, the applicant must be younger than 45 years old.
The candidate must meet the skills, qualifications, and English language requirements.
The following are the employer’s requirement:

The candidate must be legally and actively operating in Australia.
The employer should make a full-time permanent job offer and show that the employee has a legitimate need for certain abilities brought in from abroad.
Local and immigration laws must be followed.
Existing and new staff should be trained in a methodical and structured manner.
The following are requirements for the employee:

Should receive a nomination for a post that is covered by the SOL List.
The competent assessing agencies should have given the nominated occupation a positive skill assessment.
Should have worked in the nominated occupation for at least three years.
If the nomination is for a highly compensated senior executive post, the compensation must be at least $250,000. (Excluding superannuation and other benefits)
The applicant should be able to find a job that can sponsor him on a long-term basis.
Should demonstrate that he/she has the requisite abilities for the job, as well as the proper licensure/registration if the job requires it.
Must be under 45 years old.
Should be able to communicate in English at a functional level.
Have worked in the nominated occupation in Australia for at least the last two years on a temporary visa, including at least the last year for the nominating employer. Those who have recently graduated and are looking for work in Australia will need to apply for a Graduate Visa.
Before applying for a visa, the applicant should have their health and character checked.