The event was expected to be held on Monday afternoon at the hill where miners gathered before the shooting.
"Family members of the deceased and those who were injured, from as far as the Eastern Cape, Limpopo, and neighbouring countries, such as Lesotho, Malawi, and Swaziland, are expected to attend the ceremony," the municipality said in a statement.
"Religious leaders from different denominations will later conduct a spiritual cleansing ceremony processes, after the ritual and cultural activities have been earlier performed by the respective affected family members."
Police shot dead 34 striking Lonmin mineworkers in Marikana on August 16.
Ten people, including two police officers, were killed in the preceding week.
Bojanala mayor Louis Diremelo said in the statement people needed to be calm and stable for the ceremony.
"Let's peacefully allow space for families and relatives to perform what they believe will heal their scars and emotions created by this tragic incident."
Farlam Inquiry
Meanwhile, the Farlam commission of inquiry heard on Thursday that police wanted union leaders to convince striking miners in Marikana to disarm and disperse to avoid bloodshed,
"I persuaded union leaders to talk to the strikers at the koppie [hill] to get them to hand in their weapons voluntarily instead of police doing the dispersal," testified North West police deputy provincial commissioner, General William Mpembe.
"We wanted to avoid bloodshed … when police do dispersals they do not use sharp ammunition, but armed individuals among strikers might use them against the police."
Vuyani Ngalwana, for the police, was taking Mpembe through his evidence on events that led to the deaths. Mpembe told the commission that police had agreed with union leaders on August 15 that they speak to protesters at the hill and get them to hand over their arms and disperse.
The union leaders were National Union of Mineworkers (NUM) president Senzeni Zokwana and Association of Mineworkers and Construction Union (Amcu) president Joseph Mathunjwa.
He said he had held two separate meetings with Zokwana and Mathunjwa to that effect. Provincial commissioner Lieutenant-General Zukiswa Mbombo was informed about the plan and agreed.
'Things completely changed'
Ngalwana asked Mpembe what changed on the morning of August 16, the day police shot dead 34 miners. Mpembe said "things completely changed" and negotiations with strikers through the two union leaders failed.
"I did testify that people were being attacked, robbed, and killed on their way to work … there was [a] risk of further killings. Talks between employers and employees failed."
The information he received was that the situation at the hill had changed "to the worst", he said.
"Another person, whose name I cannot reveal for safety reasons, was also left for dead at the koppie," Ngalwana said, adding that evidence by this individual would be presented to the commission soon.
"We will for now, refer to him as Mr Y," he said.
Mpembe said it was feared that the seemingly angry protesters at the koppie would turn their frustrations on innocent bystanders. Information received through police radio communications indicated there were threats to kill police officers, he said.
"These were the factors I considered, because as police, we have a constitutional mandate to prevent crime," Mpembe stated.
'Leave the place'
Ngalwana asked him if he had received any information about Mathunjwa telling protesters to lay down their weapons on August 16.
Mpembe said he was not at the hill on the morning of August 16, adding that the report he received was that Mathunjwa had told the protesters to leave the hill.
Ngalwana then read out Mathunjwa's statement to the commission, in which he said he had told workers to leave, because if they did not, police were going to kill them.
He stated that Amcu did not subscribe to any acts of criminality.
"Mathunjwa says, 'I knelt down … it has already been decided … please leave this place.
Some workers came to the microphone and said they were shot by NUM officials as they marched to the union offices'."
Mathunjwa had said workers told him they appreciated his efforts and that he should leave, as the employers would not speak to the strikers and the police should come and kill them.
Mpembe said according to information he received, there was nothing in what Mathunjwa told protesters that indicated he asked them to lay down their weapons, as Mathunjwa had promised in the meeting held the previous day. – Sapa