Enforcement Rules of the Customs Act Article 16
The expression "exported at or about the same time"referred to in Article 31, Paragraph 1, and Article 32, Paragraph 1, of the Act shall mean within 30 days before or after the date of exportation.The expression "at or about the time of the importation" pursuant to Article 33, Paragraph 3 and Paragraph 4, of the Act shall mean within 30 days before or after the date of importation.