Provides detail on all data fields within TSS declarations (Entry Summary, Simplified Frontier, Supplementary and Full Frontier Declarations) and GMR Automation, what they mean and how to fill them. This guide is useful for completing declarations and resolving errors.
Updated: 1 September 2023
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Entry Summary Declaration / Simplified Frontier Declaration Error Codes Guidance
Guidance on resolution to common error codes for Supplementary and Full Frontier Declarations