Motor Traffic (Amendment) Act (No 6) 1988 (ACT)

The case involved the Motor Traffic (Amendment) Act (No 6) 1988 (ACT), which amended the Motor Traffic Ordinance 1936 to increase the speed limit for heavy vehicles. The amendment was made through the Motor Traffic (Amendment) Ordinance (No. 6) 1988, which came into effect on 1 July 1988. The dispute arose from the validity and constitutionality of this amendment under the Seat of Government (Administration) Act 1910.

The primary legal issue was whether the Motor Traffic (Amendment) Ordinance (No. 6) 1988 was validly made under the Seat of Government (Administration) Act 1910, considering the Australian Capital Territory's legislative framework. The court had to determine whether the amendment process complied with the necessary constitutional and legislative requirements for the ACT.

In its reasoning, the court examined the process by which the ordinance was enacted. It considered whether the Governor-General's advice, as provided by the Federal Executive Council, was appropriately exercised in the creation of the ordinance. The court found that the amendment was within the legislative powers granted by the Seat of Government (Administration) Act 1910 and did not contravene any constitutional provisions. Consequently, the amendment was deemed valid and constitutional.

The final orders confirmed the validity of the Motor Traffic (Amendment) Ordinance (No. 6) 1988, allowing the increased speed limit for heavy vehicles to come into effect as legislated. The court's decision upheld the amendment, ensuring that the legislative process for the ACT was properly followed.