People who test positive on an antigen test can upload their result to the HSE website from today.
Details of their close contacts can also be provided via the portal.
However anyone looking to get a recovery cert will need a PCR or professional antigen test.
New close contact rules also mean anyone with a booster and no symptoms no longer needs to isolate, while the isolation timeframe for a vaccinated person who contracts Covid has been cut to seven days.
In other Covid news, employers could be forced to provide free medical grade masks for workers.
A Bill being proposed by People Before Profit would ensure employers provide staff with free FFP-2 grade masks or higher in particular to education and healthcare workers, if it's passed.
The Party's spokesperson on employment rights Paul Murphy said it was shortsighted not to provide the best quality protection for employees