See Administration, Anti-avoidance, Information, Audit and Collection under INCOME TAX: Revenue powers.

Withholding tax

If you buy any of the following assets, you must deduct 15% withholding tax from the purchase price, unless the seller can produce a tax clearance certificate:

(a) land in the State,

(b) minerals in the Republic of Ireland or mining exploration rights,

(c) exploration or exploitation rights in a designated area,

(d) shares deriving their value from (a), (b) or (c).

You need not deduct withholding tax if the value of the assets does not exceed €500,000 (s 980).