CFR › Title 43 › Part 3809 › §3809.57343 CFR §3809.573Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy linkWhen the State makes a demand against your financial guarantee, thereby reducing the available balance, you must do both of the following:(a)Notify BLM within 15 calendar days; and(b)Replace or augment the financial guarantee within 30 calendar days if the available balance is insufficient to cover the remaining reclamation cost.