Campaign groups formed by MPs and peers should beryllium banned from accepting wealth from overseas governments to assistance with moving costs, a watchdog has said.
The Commons standards committee fears "hostile overseas actors" could question to summation "improper entree and influence" done the All Party Parliamentary Groups (APPGs).
It has recommended caller rules connected APPGs that it wants ministers to back.
The authorities person been approached for comment.
If ministers are supportive, the authorities tin present motions to Parliament and MPs volition get the accidental to statement and ballot connected them.
Last year, MI5 warned that a Chinese agent "may aspire to found APPG to further the Chinese Communist Party's agenda".
'Improve links'
The standards committee has antecedently warned that without betterment APPGs could beryllium the root of the "next large Parliamentary lobbying scandal".
The committee does not privation to prohibition the groups, oregon expenses-paid overseas trips by their members, arguing that they tin heighten the enactment of MPs and peers.
But it does privation to amended transparency and accountability.
Unlike prime committees, APPGs person nary ceremonial relation successful policy-making oregon holding the authorities to relationship and their backing tin beryllium opaque.
There are presently implicit 750 APPGs covering a wide scope of subjects including nutrient banks, cyber security, yoga and vino and spirits.
Almost 140 groups absorption connected countries - for illustration the APPG for Bermuda has been acceptable up with the intent to "improve links and communal knowing betwixt Britain and Bermuda".
Most APPGs bash not person immoderate backing but a increasing fig are sponsored by companies, run groups oregon charities to screen moving costs and overseas trips.
Research conducted by the BBC successful 2021 recovered that the groups had received an estimated £30.7m since 2017.
Around £6.4m came from companies registered arsenic lobbyists. Donations tin see "benefits successful kind" - for illustration the donor could wage for a secretariat to assistance organise the group.
'Mitigating risks'
The standards committee has argued that APPGs alteration amended relations with different countries, make a forum for processing ideas and supply "access to the governmental strategy for galore organisations and individuals who mightiness different beryllium excluded".
However, it besides expressed interest that companies and overseas powers could usage APPGs to bargain governmental influence.
Under caller rules suggested by the committee, overseas governments would beryllium banned from straight backing APPG secretariats, which assistance with moving the groups.
The groups would beryllium capable to instrumentality overseas authorities backing for benefits different than the secretariat, but this indispensable beryllium registered.
Those liable for an APPG would besides person to transportation retired owed diligence connected whether overseas governments are the "eventual funder" of secretariats, oregon different benefits.
The committee besides wants to present further rules for groups which person outer benefits of much than £1,500 successful a calendar year, including a request to nutrient an yearly study outlining the enactment they person done.
Standards committee president Labour MP Sir Chris Bryant, who is vice-chair of the Russia APPG, said: "All-Party Parliamentary Groups are a invaluable portion of however Parliament does its work; but we cannot spend to disregard the chilling risks immoderate groups whitethorn airs if near unchecked.
"Parliament ever has, and ever volition beryllium a people for hostile overseas states and improper commercialized interests.
"But with amended regularisation and transparency astir these informal All-Party Parliamentary Groups, we tin harness their affirmative publication to our ideology portion mitigating immoderate risks."