The cost of the new minimised package has been revealed to the GDN.
The Cabinet has also agreed to pay 50pc of Bahrainis' wages in the most affected sectors for three more months at BD70m, which is a third of the original BD215m spent from April to June.
His Royal Highness Prime Minister Prince Khalifa bin Salman Al Khalifa has tasked Labour and Social Development Minister Jameel Humaidan to issue necessary rules in co-ordination with other relevant authorities for July, August and September.
It follows orders by His Majesty King Hamad following consultation with the National Assembly and the Bahrain Chamber of Commerce and Industry.
The water and electricity bills for Bahrainis with one household for three more months will cost between BD12m and BD15m.
However, Tamkeen has not presented a rough estimate to the cost if its new programme that will include affected sectors besides micro and small enterprises.
"This is the rough cost associated with the new minimised package presented to us to provide assurances to people that the government will not let their lives to be affected," Shura Council financial and economic affairs committee chairman Khalid Al Maskati told the GDN.
"For now the money to be withdrawn from the Unemployment Fund is around BD70m and for electricity and water between BD12m and BD15m," he added.
"There are more steps in future to offest the effects of Covid-19 and the government is working on them."
Legislators are set to meet next week with the government to evaluate further necessary action.
Parliament financial and economic affairs committee chairman Ahmed Al Salloom said Tamkeen's package would be re-engineered to include support for the most affected sectors.
"The estimate cost awaits new classifications from the previous micro and small to supporting businesses that are fully damaged following extensive assessment," he said.
"The priority is to ensure businesses weather this storm, stand on their feet and return back to their normal status," he said.
"The government has just provided some assurances and more is on the way through negotiations."