As the nation halts to commemorate the contribution of everyone who as served in the armed forces during a time of war and conflict, shops will close out of respect.
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But if you're in need of a caffeine hit after the dawn service, don't despair.
Most businesses are not permitted to be open between 12am and 1pm unless they fall under the category for "exempt shops" (20 or fewer employees, or businesses with no more than 100 workers at any time in the seven days prior to Anzac Day).
Some shops are free to trade all day including cafes, restaurants, takeaway outlets and video stores.
All businesses are allowed to open after 1pm - including the pub for a round of two-up.
Best check with individual businesses before heading out.
Opening times in the Illawarra
Supermarkets: open from 1pm
Shopping centres: Lederer Corrimal, Wollongong Central, Warrawong Plaza, Dapto Mall, Warilla Grove and Stockland Shellharbour will open from 1pm. Figtree Grove will remain closed for the day.
Cinemas: Wollongong, Shellharbour and Warrawong's Hoyts and Gala complexes are open all day.
Don't hold 'Anzac' sale, businesses warned
Anyone who dramatically changes the Anzac biscuit recipe or tries to cash in on the commemoration of the Anzacs could face jail or huge fines, a veterans' body has warned.
The word Anzac - or any word resembling it - cannot be used for commercial purposes without permission from the federal veterans' affairs minister.
RSL NSW president James Brown said a lot of different companies had used Anzac to boost sales on or around April 25.
"We've had people doing Anzac-related cocktail nights, a plastic surgeon a couple of years ago offered an Anzac special," he told Seven's Sunrise on Tuesday.
"That needs to be strictly policed not only by officials but the public as well.
"If you're going to a pub in their advertising on Anzac Day and they are not donating to a veterans' charity, ask why and choose (to go) somewhere else."
Serious breaches of the Anzac law can be punished with up to 12 months' jail.
Fines of up to $10,200 for a person and $51,000 for a company can also be imposed.
"The Department of Veterans' Affairs controls the use of the word so no one profits off a day that is meant to commemorate the memory of people who sacrificed for this country," Mr Brown said.
DVA says applications for Anzac biscuits are normally approved, provided the product generally conforms to the traditional recipe and shape and are referred to as 'Anzac biscuits' or 'Anzac slice'.
"Referring to these products as 'Anzac Cookies' is generally not approved, due to the non-Australian overtones," the department says on its website.
Australian Associated Press