On 5 August 2013 the Department of Immigration and Citizenship (DIAC) announced that state and territory governments (including the ACT) are not able to nominate any intending migrants for a points tested visa from the following occupations:
Chemical and Materials Engineers;
ICT Business and Systems Analysts;
Electronics Engineers;
Telecommunications Engineering Professionals;
Other Engineering Professional; and
Software and Applications Programmers.
DIAC has been receiving a high level of demand for these occupations. To address this, invitations for these occupations will now be issued by DIAC twice per month (pro rata) over the 2013-14 program year. These invitations will be only issued to applicants for the Skilled Independent (Subclass 189) visa which is not state or territory nominated.
http://www.canberrayourfuture.com.au/news/article/important-diac-announcement/