CARBON CURVE
INTELLIGENCE
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standard

Isometric long-term crediting periods

Jurisdiction countryInternational
Instrument typecertification-protocol
Authorityregistry
Scopecarbon removal only
Statusamended
DetailIsometric extended crediting periods across all pathways; the crediting period is the length of time a supplier's Project Design Document remains valid and the project can generate carbon removal certificates without re-validation. Previously the minimum crediting period was five years; it is now at least a full decade when a project is validated. Two pathway-specific exceptions: DAC and Bio-CCS p
Stated statusamended
Pathway scopeall-cdr
Pathway noteextended crediting periods across all pathways, with only minor pathway-specific timing variations
automatically extracted from the cited source; not yet reviewed by a person · discovered via registry-isometric · extracted 2026-09-10

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