A Labour MP's parents transferred ownership of workplace onshore to 1 of their sons days earlier changes to inheritance taxation rules were announced.
Questions person been asked astir whether Mid and South Pembrokeshire MP Henry Tufnell gave accusation to his parents astir the projected changes.
On 10 October his begetter and mother, Mark and Jane Tufnell, passed Upper Colne Farm and Stud to different son, Albermarle.
Tufnell declined to remark to Newyddion S4C but a spokesperson told the Local Democracy Reporting Service it was "implausible" the MP could person known astir the changes earlier they were made public.
There is nary proposition the Tufnells person done thing unlawful.
In Chancellor Rachel Reeves Budget connected 30 October it was announced inherited cultivation properties worthy much than £1m would beryllium taxable to inheritance taxation astatine 20% from April 2026.
Agricultural onshore is presently exempt from inheritance tax.
The argumentation alteration has sparked protests among farmers.
Plaid Cymru councillor and president of the Carmarthenshire National Farmers' Union (NFU) Cymru branch, Hefin Jones, said the concern surrounding the Tufnell household looked bad.
He said: "When you person a Labour member... perchance utilizing accusation helium whitethorn person been privy to, erstwhile determination are truthful galore Welsh businesses who whitethorn beryllium damaged arsenic a effect of this policy... it surely begs a question."
Tory councillor Aled Thomas, a husbandman successful Tufnell's constituency, said: "Why has this alteration been made conscionable earlier the Budget? Henry has questions to answer.
"At the extremity of the time Henry volition beryllium answerable to the radical of Pembrokeshire and they volition marque up their ain minds astir what helium did oregon didn't know."
A spokesperson for the Mid and South Pembrokeshire Labour MP said it would beryllium "implausible to suggest that Henry - a backbench MP - would person this benignant of cognition anterior to the chancellor's Budget announcements earlier they were made public".
He added: "The actions taken by Henry's parents were based connected nonrecreational proposal from qualified fiscal advisers, reflecting prudent and liable absorption of their household affairs."
Mr Tufnell's parents and member person approached for remark by Newyddion S4C.