The BBC, citing her campaign team, reported Truss had ruled out further direct support for everyone, the approach favoured by her rival for leadership of the governing Conservative Party, former finance minister Rishi Sunak. Truss has previously said she favours tax cuts rather than handouts.
Sunak supporter and former minister Simon Hart told Times Radio on Sunday the cost-of-living pressures people face were not going to be resolved by "just an eye-catching tax cut".
Soaring energy bills, exacerbated by Russia's invasion of Ukraine, have driven British inflation to 40-year-highs but the government's response has been hampered by the race to replace Johnson that runs until Sept. 5.