443. In general.

The property1 which vests in the trustee on his appointment taking effect or in the official receiver on his becoming trustee2 is that property which belongs to the bankrupt at the commencement of the bankruptcy3.

Property which is acquired by, or devolves on, the bankrupt after the commencement of the bankrupty4 does not automatically vest in the trustee. The trustee may, however, by notice in writing5 claim for the bankrupt's estate6 any property which has been so acquired, or has so devolved on, the bankrupt since the commencement of the bankruptcy