Some are, some aren't. Fixed assets such as property or plant are easy to value, intangible assets such as intellectual property or a brand value aren't, they're subjective. Or is the legislation just after fixed assets?
If Musk receives, say 50,000 shares, what's their value? Well, I would say that's known when he sells them. But that form of tax is already there. So are they wanting to tax him when he receives them? So if you received 50,000 shares in the company that owned Bud Light, do you value them and pay tax before or after the Tran boycott, or when you sell them?