[6] No argument is necessary to support the proposition that an application for compensation under s 132 cannot rationally be read as an application to the board for a certificate under s 182D(1). But, the applicant contends, if a form is approved it becomes the approved form, whatever its content. This argument must have some limits; presumably purported approval of a form saying that the worker does not desire a s 182D certificate would not be within the statutory power of approval. If the applicant is right, it would appear to be enough that the approved form asks the board for anything at all, whether or not what is sought by it is, or has any intelligible connection with, the certificate for which the worker "must" apply, under s 182D(2). The board's power to approve forms for use under the Act is tersely expressed (s 206A); it should not be read as empowering the board validly to require workers who want the board to take action A to apply instead for quite different action B. One reason for favouring this construction is that one may safely infer that the legislature would intend the Act to be administered in a way which is able to be understood by workers; such an interpretation will "best achieve the purpose of the Act": s 14A, Acts Interpretation Act 1954.