SOUTHERN IRELAND The National Monuments (Amendment) Act 1987 (Section 2) states:
Subject to the provisions of this section a person shall not:
1a: Use or be in possession of a detection device in, or at the site of, a monument of which the Commissioners or a local authority are the owners or guardians or in respect of which a preservation order is in force or which stands registered in the Register or
2a. in an archaeological area that stands registered in the Register or 3a. in a Registered area
OR
b: Use, at a place other than a place specified in paragraph a of this subsection, a detection device for the purpose of searching for archaelogical objects or
c: Promote, whether by advertising or otherwise, the sale or use of detection devices for the purpose of searching for archaeological objects.
Note: `Archaeological area' is defined as ` an area which the Commissioners consider to be of archaeological importance but does not include the area of a historical monument standing entered in the Register'.
Section 40 states that `Where in a prosecution for an offence under this section it is proved that a detection device was used, it shall be presumed until the contrary is proved that the device was being used for the purpose of searching for archaeological objects'.