An applicant is able to apply for DSH assistance when moving from home to home on any number of occasions while ever there is an amount available as a 'limit' on the immediately preceding advance and an unused balance of term as described in Ent GO's 3.5.1 and 3.5.6. There is no time restriction on the lodging of an application for a further subsidised advance.
Links
[1] https://clik.dva.gov.au/user/login?destination=node/18591%23comment-form