Perhaps this is related to this article published Dec 13:From Jens;
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Manono Lithium celebrated a generous donation of $70 million at the Congo River Hotel. This support will go directly to the NGO LE BOUCLIER to boost humanitarian assistance in critical areas in the east and northeast of the Democratic Republic of Congo.
Samuel Roger Kamba, Minister of Public Health, thanked Manono Lithium for its vital contribution to improving local health and building medical facilities. Jean David, president of LE BOUCLIER, stressed that this donation will greatly benefit people in need in these regions.
RDC : L'Asbl "Le bouclier" reçoit un don financier de Manono Lithium SAS pour assister les populations en situation difficile
L'association sans but lucratif (ASBL) "Le Bouclier" a reçu un don financier de la société chinoise Manono Lithium SAS, dans le but de contribuer à l'amélioration des conditions vitales des populations en situation difficile, le mercredi 13 décembre 2023 à Kinshasa. "Le bouclier" a mené...
(this article does not mention the amount)
which would put this before the non-payment of taxes:

Suspension Of Manono Lithium Mining Activities: A Case Of Unpaid Taxes And Illegal Mining In Tanganyika - Fatshimetrie
The suspension of the mining activities of the Manono Lithium company by the authorities of Tanganyika in the Democratic Republic of Congo was motivated by non-payment of taxes and exploitation without prior authorization. This decision raised questions from civil society about the accusations...

Happy to be corrected if wrong