Participation in the national redress scheme for institutional child sex abuse will take effect in Western Australia from January 1.
Legislation enabling survivors to seek compensation under the national scheme passed state parliament in November and applications can start to be assessed in 2019.
Other changes that come into effect on January 1 include phase one of the state government's no jab, no play policy.
Unvaccinated children will be banned from attending school and child care centres during disease outbreaks, with principals and owners to be fined up to $1000 if they allow under-vaccinated children to enter their facility.
Meanwhile, the "point of consumption tax", which replaces two other taxes, will see online and foreign-owned corporate bookmakers pay 15 per cent on profits from bets made in WA, regardless of where they are licensed.
The local racing industry will then receive 30 per cent of the total revenue.
Finally, retailers who supply banned lightweight plastic bags will face fines of up to $5000 from New Year's Day.
Plastic bag manufacturers who provide misleading information when selling bags also risk prosecution.
