The suspects allegedly ran a syndicate to unlawfully circumvent procurement processes.
The Nelson Mandela Bay Municipality is a major concern for health experts with more than 6,000 active COVID-19 cases.
The ruling comes two years after the DA and coalition partners were removed as the metro’s leaders.
The now-former member of the mayoral committee in the Nelson Mandela Bay Municipality appeared before a disciplinary hearing over the weekend.
Norman Mapeza was quickly replaced by former Orlando Pirates assistant coach Rhulani Mokwena after the Port Elizabeth based club announced it on Wednesday.
The councillor reportedly handed himself over to police on Monday and informed his party that he would be resigning until he could clear his name.
The councillor was a member of the party’s central command team, but his membership was reportedly revoked in wake of this allegation and until he could clear his name.
Mongameli Bobani approached the Port Elizabeth High Court after he was removed as mayor earlier this month in a vote of no confidence.
Opposition parties led by the DA in the Nelson Mandela Bay Metro were set to approach a High Court to force the municipality to continue with council business.
The corruption-busting unit started its probe after a proclamation ordering this was issued last year.
The mayor was responding to Finance Minister Tito Mboweni who said mayors should start using public transport as a cost-cutting measure.
Two wards became vacant after the Port Elizabeth High Court ruled in December last year that they needed to be contested.
The motion has been tabled by Patriotic Alliance with the backing of the African Christian Democratic Party.
The DA’s woes in Knysna started after former-mayor Eleanore Bouw-Spies was voted out last year, followed by Athol Trollip's removal in Port Elizabeth.
DA leader Mmusi Maimane says he still remembers the day he got the news that they had lost the Nelson Mandela Bay municipality.
The matter relates to political interference in the municipality's administration.
The party is set to table a second motion of no confidence against Mayor Mongameli Bobani.
The renaming process for Port Elizabeth, PE International Airport and Uitenhage is, however, still underway.
