If in Scotland a person—
knowing the warrant, coupon or document to be forged or altered,
he commits an offence.
If in Scotland a person without lawful authority or excuse (of which proof lies on him)—
he commits an offence.
A person guilty of an offence under subsection (1) is liable on summary conviction to imprisonment for a term not exceeding six months or to a fine not exceeding level 5 on the standard scale (or both).
A person guilty of an offence under subsection (2) is liable—