* France pushing for minimum corporate tax
* Britain and Canada not ready to support
* Digital currencies also in focus at G7
By Leigh Thomas
PARIS, July 12 (Reuters) - France will use a G7 finance ministers' meeting it is hosting next week for a new push on minimum corporate taxation, although it is too early to agree on a specific rate, a finance ministry source said on Friday.
France has put fiscal justice at the heart of its year-long presidency of the Group of Seven industrialized nations. The July 17-18 summit takes place in Chantilly, north of Paris.
France and Germany made a proposal this year for minimum corporate taxation as part of a major overhaul of decades-old cross-border tax rules under way in the Organization for Economic Cooperation and Development (OECD). Their efforts have been boosted by the Trump administration's 2017 tax reform which in effect introduced a minimum level of tax in the United States.
France hopes that solid backing from G7 countries for minimum taxes will boost the efforts of the OECD, which is seeking agreement among nearly 130 countries by the end of 2020.
"One of the first priorities of this G7 finance ministers meeting is to revamp taxation for the 21st century such that it is adapted to the economic realities of the 21 century," the finance ministry source said.
Finance Minister Bruno Le Maire argues current rules allow big internet countries to get away without paying their fair share of tax as they can book profits in low-tax jurisdictions like Ireland regardless wherever the income originates from.
The source added that two G7 countries were not politically in a position to be able to agree either on a specific rate or a range.
"The best we can hope for is to agree on the principle of a range of rates," the source said.
A second finance ministry source said that the two G7 countries with reservations were Canada and Britain, where calls in the latter are growing for the government to use its exit from the European Union to cut taxes. the absence so far of international progress updating tax rules, France passed a tax on Thursday on big internet firms' French income, defying a U.S. threat to respond with a probe that could trigger retaliatory tariffs. addition to the focus on tax, the G7 meeting in France will also weigh on the emergence on new digital currencies after Facebook (NASDAQ:FB)'s Libra project thrust the matter to the fore.
Regulators, central bankers and governments have joined in a chorus since Facebook's announcement, insisting that the company must respect anti-money-laundering rules and ensure the security of transactions and users data.
"Regulation is indispensable, but beyond regulation, the principle and the red-line we are drawing is that in no case private companies can set up a sovereign currency," the first finance ministry source said.
"All options are on the table," the source added without elaborating.