Anything done in terms of the withdrawn norms and standards for the marking of rhinoceros horn and hunting of white rhinoceros for trophy hunting purpose published in Government Notice No. 756, Gazette No. 32426 of 20 July 2009, or in terms of the withdrawn norms and standards for the marking of rhinoceros horn and hunting of rhinoceros for trophy hunting purpose published in Government Notice No. 304, Gazette No. 35248 of 10 April 2012, and which can be done in terms of these norms and standards, must be regarded as having been done under these norms and standards.