Meanings of further tampering in English

I shall set my seal on this evidence to show any further tampering.

He also demanded that China return it "without further tampering".

We don't need further tampering with alcohol prices, we need a cultural shift away from the significance of alcohol.

Sigma had provided the Vatican with cursory information on the tainted wafers, so their bakeries and supplies could be examined for further tampering.

And that is, of course, busy leaning on the government to avoid any further tampering with its right to flog sugary drinks as healthy.