(1)  Evidence of a statute, proclamation, treaty or act of state of a foreign country may be adduced in a proceeding by producing –

(a) a book or pamphlet, containing the statute, proclamation, treaty or act of state, that purports to be printed by the government or official printer of the country or by the authority of the government or administration of the country; or

(b) a book or other publication, containing the statute, proclamation, treaty or act of state, that appears to the court to be a reliable source of information; or

(c) a book or pamphlet that is or would be used in the courts of the country to inform the courts about, or prove, the statute, proclamation, treaty or act of state; or

(d) a copy of the statute, proclamation, treaty or act of state that is proved to be an examined copy.

(2)  A reference in this section to a statute of a foreign country includes a reference to a regulation or by-law of the country.