Production capacity determination under Section 3A failed where the notification lacked a workable statutory method, making the levy unsustainable.

Notification No. 42/98-CE (NT), framed for determining annual production capacity under Section 3A of the Central Excise Act, 1944, was invalid because it did not provide a legally acceptable and workable method for assessing factory capacity. The Tribunal applied the settled principle that a Section 3A levy and collection mechanism must rest on a proper statutory basis for determining production capacity; without that basis, the notification cannot support the levy. Accordingly, the notification was held ultra vires, and the duty demands and related proceedings founded on it were unsustainable. The Revenue's appeals were dismissed.

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Issues: Whether Notification No. 42/98-CE (NT) dated 10/12/98, framed for determining annual production capacity under Section 3A of the Central Excise Act, 1944, was ultra vires and whether the demand proceedings based on that notification were sustainable.

Analysis: The Tribunal followed the binding view that the notification-based rules did not provide an acceptable method for arriving at the production capacity of the factory, which was essential for levy and collection of duty under Section 3A. Since the statutory scheme required a proper method for determining capacity, a notification that failed to furnish such a workable basis could not sustain the levy. The same reasoning had already been accepted in the earlier judicial decisions relied upon.

Conclusion: The notification was held to be ultra vires Section 3A, and the duty demands and related proceedings founded on it were unsustainable. The Revenue's appeals were dismissed, in favour of the assessee.

Ratio Decidendi: A levy under Section 3A of the Central Excise Act, 1944 cannot be sustained unless the notification or rules provide a legally acceptable method for determining production capacity; a notification failing that test is ultra vires and any proceedings based on it are invalid.

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