(1) In relation to the acquisition or disposal by a director or secretary of a company of shares or debentures the means specified in subsection (2) shall, if the director or secretary opts to use them, constitute a sufficient notification in writing to the company, for the purposes of this Chapter, of the fact of their acquisition or disposal and the particulars of the disclosable interest.

(2) Those means are the delivery, within 30 days after the date of the instrument, to the company of an instrument of transfer in respect of the shares or debentures, being an instrument that identifies -

(a) the director or secretary by name,

(b) the shares or debentures in question,

(c) the purchase or sale price therefor, and

(d) if subsection (6) applies, the address there mentioned.