A conveyance of mineral rights is exempt from land transfer tax if it is:
If the conveyance of mineral rights also includes a conveyance of surface rights, land transfer tax is payable on that part of the consideration that is reasonably attributable to the surface rights of the land.
Yes. Ministry pre-approval is always required for conveyances of both surface and mineral rights. The ministry must confirm that the taxable consideration for surface rights has been reasonably divided up.
For further information refer to Ontario Tax Bulletin LTT 3-2004 – Land Transfer Tax Exemption For Certain Conveyances of Mineral Lands.