This is reduced to an additional 14 for the holding of a market or motor car and motorcycle racing including trials of speed, and practising for these activities.
Caiff y cyfnod hwn ei gwtogi i 14 diwrnod ar gyfer cynnal marchnad neu rasys ceir modur a beiciau modur gan gynnwys profion cyflymder, ac ymarfer ar gyfer y gweithgareddau hyn.