In canon at least, it’s pretty clear that there is few interaction from Muggle Prime Minister and Minister of Magic, unless exceptional events occur. IIRC, in first 5 years, there is only two interactions : the Minister of Magic informing the Prime Minister about the escape of Sirius Black, and the dragons for the Triwizards Tournament. And there seems that not once did the Muggle Prime Minister directly contact the Minister of Magic, it only went the other way around.
So I’m sceptical about that. More likely the Ministry of Magic has someone working in the staff of the Muggle Prime Minister and informing the Ministry if something odds is happening.
In canon at least, it’s pretty clear that there is few interaction from Muggle Prime Minister and Minister of Magic, unless exceptional events occur. IIRC, in first 5 years, there is only two interactions : the Minister of Magic informing the Prime Minister about the escape of Sirius Black, and the dragons for the Triwizards Tournament. And there seems that not once did the Muggle Prime Minister directly contact the Minister of Magic, it only went the other way around.
So I’m sceptical about that. More likely the Ministry of Magic has someone working in the staff of the Muggle Prime Minister and informing the Ministry if something odds is happening.