In force since Jul 15, 2026
Biological medicines: faster approval backed by reference agencies
ANMAT Provision 4351/2026 (Official Gazette, Jul 15, 2026)
in forceNATIONALApplies the same nationwide
Market deregulation
Disp. ANMAT 4351/2026 allows post-approval changes to vaccines and biologics to be assessed by relying on foreign reference agencies.
The other rules on this subject40
Mega-DNU 70/2023: repeals the Rentals, Shelves and Supply lawsDecreto 70/2023 (DNU-2023-70-APN-PTE)in force
The IGJ digitizes companies' financial statementsIGJ General Res. 9/2026 (RESOG-2026-9-APN-IGJ#MJ), Official Gazette Jul 2, 2026in force
What changed and who it applies to
What changed
ANMAT approves 4 annexes with procedures for post-registration changes to BIOLOGICAL medicinal specialties (vaccines and biologics): safety/efficacy changes, quality changes (manufacturing, equipment, production sites), labeling information, and marketing-authorization extensions. It introduces an 'optimized reliance-based review procedure': to evaluate those changes, ANMAT can lean on evaluations already carried out by 'Reference Regulatory Authorities' (recognized foreign regulatory agencies), instead of repeating the full technical review from scratch. verif Jul 15, 2026 ↗
In force
Takes effect 30 business days after its publication in the Official Gazette (07/15/2026). verif Jul 15, 2026 ↗
Who it applies to
Laboratories and marketing-authorization holders of biological medicines and vaccines in the REM (Registry of Medicinal Specialties) that need to process post-registration changes (manufacturing/site changes, safety/efficacy changes, labeling, marketing extensions). The reliance mechanism shortens the process when the change was already evaluated by a reference regulatory agency (e.g., FDA, EMA), instead of requiring a full technical review from scratch in Argentina. verif Jul 15, 2026 ↗
The norm
ANMAT Disposición 4351/2026 (DI-2026-4351-APN-ANMAT#MS), signed on Jul 14, 2026 and published in the Boletín Oficial on Jul 15, 2026 (notice 344377). verif Jul 15, 2026 ↗
Our reading
This is the same logic behind other procedural trims by the government, like the faster certification process in aviation (R4 · opening and deregulation): instead of requiring Argentina's regulator to redo an analysis a reference regulator already did, ANMAT leans on that work to resolve faster. It lowers the time (and cost) of keeping an already-approved biological product up to date in reference markets, without touching the required quality/safety/efficacy standard. thesis
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