Provisional assessment requirements revised: bond/undertaking obligation affirmed and bond replacement deadline extended for importers. Importers using provisional assessment must submit a Bond or Undertaking in lieu of Bond per Circular 17/2020 read with Public Notice 22/2020 as amended by Public Notice 29/2020; paragraph 4.2 is amended to reference the amended framework and security requirements, and paragraph 5 is amended to extend the deadline for replacing the Undertaking with a proper Bond. Other provisions of Public Notice No. 24/2020 remain unchanged; the notice is to be publicized, treated as a Standing Order, and any difficulties reported to the Additional Commissioner (Technical).