← Peru mining record · All Peru sanctions
MAS ERRAZURIZ DEL PERU S.A.C.
Peru mining record: safety sanctions, environmental fines and fatal accidents
On record from Aug 18, 2025 to Aug 18, 2025
1
sanction resolutions
ⓘ
A resolution (resolución) is OSINERGMIN's formal written decision closing one sanction case: an order from the regulator, not a court judgment. A single resolution can fine several infractions at once, and it can be appealed to TASTEM, the agency's own appeals tribunal.59,974
in fines (S/)
ⓘ
S/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026).0
published resolutions 2001-2019
0
OEFA environmental cases
0.00
in OEFA fines (UIT)
ⓘ
The UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles.0
deaths 2002-2021 (MINEM)
OSINERGMIN safety fines, 2020-2026, obtained by public-records request
From Aug 18, 2025 to Aug 18, 2025 · S/ 59,974 ≈$18K
Resolution 3171-2025
S/ 59,974 ≈$18K
Aug 18, 2025 · DIVISIÓN DE SUPERVISIÓN DE GRAN MINERÍA
Case file: 202500087816
Sanctioned party as written: COMPAÑIA DE MINAS BUENAVENTURA S.A.A., MAS ERRAZURIZ DEL PERU S.A.C.
Obligation (OSINERGMIN's label)
ⓘThe legal obligation OSINERGMIN found breached, in the agency's own Spanish wording. |
State (OSINERGMIN)
ⓘOSINERGMIN's own per-infraction state, kept verbatim in Spanish: FUNDADA (upheld), FUNDADA EN PARTE (upheld in part), INFUNDADA (dismissed), ARCHIVADA (closed), NULIDAD (annulled), EMITIDA (issued). |
UIT
ⓘThe UIT (Unidad Impositiva Tributaria) is Peru's tax reference unit, revalued each year. OSINERGMIN states every fine in UIT as well as in soles. |
Fines (S/)
ⓘS/ is the Peruvian sol, Peru's currency. The gray dollar figures are approximate conversions at S/ 3.35 per US$1 (August 2026). |
% paid
ⓘThe share of the fine OSINERGMIN reports as paid for this infraction. Whether it reflects collection to date has not been confirmed with the agency. |
|---|---|---|---|---|
| 6.1.3 Supervisión permanente. | EMITIDA | 11.21 | 59,974 | 100% |
OSINERGMIN published sanctions, 2001-2019
Not on OSINERGMIN's published 2001-2019 sanctions list.
OEFA environmental sanctions, 2017-2023
No OEFA environmental sanction against this company in the 2017-2023 register.
Fatal accidents, 2002-2021 (MINEM)
No death attributed to this company in MINEM's 2002-2021 list.