TransitLink will refund concession cardholders the unused value of their monthly concession passes till the end of the circuit breaker period.
Under two Government-funded concession schemes, low-wage earners and people with disabilities will receive discounts on bus and train rides.
A 3.2 percent fare hike on the current bus and train fares has been approved by the Public Transport Council, and will take effect from 6th April.
The authority gives more details on the year-long free travel trial, says it will not include concession pass holders.
Government Parliamentary Committee (GPC) of Transport proposes looking to operators to help more commuters with fares.
The Fare Review Mechanism Committee (FRMC) said that it required additional time before it submits its final report on concessions and a new fare formula.