The document contains rules related to common definitions and concepts in taxation. It covers several topics in multiple sections:
1) It defines rules around income of joint owners, apportionment of deductions, fair market value, receipt of income, recouped expenditures, and currency conversion.
2) It establishes that the normal tax year is 12 months ending June 30, and provides rules for allowing special tax years and transitional tax years when the tax year changes.
3) It provides rules for determining when the disposal and acquisition of assets occurs, including applying business assets to personal use or vice versa. It defines business and personal assets.
4) It begins to define the cost of an asset for tax purposes.