Safeguard duty definitions clarify critical circumstances, increased imports, interested parties, like articles, and provisional duty within the transitional framework. Rule 2 of the Customs Tariff (Transitional Product Specific Safeguard Duty) Rules, 2002 provides the key definitions for applying safeguard duty under section 8C of the Customs Tariff Act, 1975. It defines critical circumstances, increased quantity, interested party, like article, and provisional duty. Critical circumstances require clear evidence of increased imports causing or threatening market disruption and risk of irreparable damage if provisional duty is delayed. The rule also includes exporters, foreign producers, importers, specified associations, the government of the People's Republic of China, and Indian producers within the meaning of interested party.