Safeguard investigation initiation: customs duty reductions can trigger probes when import surges cause serious injury to domestic industry. Investigations under the India Korea bilateral safeguard rules are initiated by the Director General on written application by domestic producers alleging that increased imports, following reduction or elimination of customs duty under the Agreement, cause serious injury or threat to the domestic industry; applications must show increased imports, serious injury or threat, a causal link, and that the tariff change significantly contributed to the import increase, and include a statement on adjustment measures. The Director General must examine and be satisfied as to the adequacy of this evidence before initiating an investigation, and may act suo moto on sufficient information from customs or other sources.