Can the ICJ (re)qualify intervention?

Two recent requests submitted by Libya and Palestine in relation to the South Africa v Israel proceedings raise the same question concerning the precise form of intervention that the third State intends to apply for under the ICJ Statute. The author addresses one main legal issue entailed by these requests, namely whether the Court has the power to settle the uncertainties concerning the applicable form of intervention, to identify the appropriate form and to grant accordingly the procedural rights that correspond to that form.