Los Angeles 2028 has received official support from the State with California Governor Edmund G Brown officially signing a measure providing financial guarantees in Sacramento.
The legislation, Assembly Bill (AB) 132, from Assemblyman Reggie Jones-Sawyer, allows the state to spend up to $270 million (£205 million/€230 million) in case the Olympic and Paralympic Games go over budget.
The bBill, supported by Los Angeles Mayor Eric Garcetti and the city's Bid Committee, is seen as an endorsement by state officials of Los Angeles’ ability to host the Olympic Games - their first since 1984.
Bid organisers have said they expect to cover the $5.3 billion (£4 billion/€4.5 billion) price tag through corporate sponsors, ticket sales and other sources of income.
The State's money will only be used if the $270 million set aside for cost overruns is used up.
Brown and lawmakers have backed Los Angeles' Olympic efforts before.
Last year, the Governor signed a measure that would have provided a similar guarantee, to be applied if the city hosted the 2024 Olympic and Paralympic Games which it initially bid for.
Last month Los Angeles were formally announced as the host city for the 2028 Games at the International Olympic Committee (IOC) Session in Lima.
Paris was awarded the 2024 Olympic and Paralympic Games at the same time.
Under AB 132, California's financial guarantee is $20 million (£15 million/€17 million) more than promised in last year's legislation.
The difference is to cover inflation.
Organisers plan to use existing venues and previously approved infrastructure.
Los Angeles 2028 have confidently predicted that the Games will not overrun and that they hope to replicate the success of the last time the city staged the event in 1984.
Then it made a profit of $150 million (£88 million/€112 million).
Los Angeles 2028 are also receiving concessions from the IOC for hosting the later event.
This includes receiving a $1.8 billion (£1.4 billion/€1.5 billion) contribution which has the potential to exceed $2 billion (£1.5 billion/€1.7 billion) according to the evaluation of the Los Angeles Bid Committee, when has taken into account the estimated value of existing sponsor agreements to be renewed and potential new marketing deals.
They will also be exempt from other payments and will retain the option of selling domestic sponsorship in categories not covered by the IOC.
They will also be allowed to keep all surplus profit that they make.