Senator Nick Xenophon has slammed a Scientology-funded youth group who attended two Canberra Cavalry games in the past two years for "sneaky" recruitment tactics.
Members of Youth for Human Rights, a worldwide group founded by members of the Church of Scientology in 2001, handed out literature at games where it failed to declare it was funded by the religious organisation, although the sponsorship was acknowledged online.
But a Youth for Human Rights spokesman said no religious information was contained inside the booklet, only information on human rights.
On its Facebook page, the group said it had handed out hundreds of Human Rights booklets to fans at a game on November 28, 2014.
"[We] collected about 100 signatures to our petition for a National Human Rights Act and reached about 1100 baseball fans with the Human Rights message," a Facebook post read.
"Thank you Canberra Cavalry!"
According to the group's blog and Facebook page, members also attended a Canberra Cavalry game on December 7, 2013, at Narrabundah Ballpark.
Mr Xenophon said Youth for Human Rights was a front group, and recruitment agency, for the Church of Scientology.
"These are sneaky, desperate tactics from an organisation that's caused so much harm to so many," he said. "They're not prepared to be upfront."
Canberra Cavalry chief executive Donn McMichael said he had not known the group was affiliated with Scientology until he was told by the Sunday Canberra Times.
"As I understood it they had a small marquee and they were handing out pamphlets," he said.
"I wasn't aware of anything that would be offensive to anyone."
Mr McMichael said the Cavalry did not want to become a vehicle for any particular political or religious agenda and the group was unlikely to be invited to display again.
"I'd certainly put a stop to anything that would be offensive to anyone," he said.
"Anyone is welcome to come to a game but we wouldn't be offering anyone the opportunity to spread the word of anyone."
Canberra Cavalry assistant general manager Marcus Laudenbach said previous staff members who helped organise the events may have known about the group's affiliations but had since left the club.
The Youth for Human Rights spokesman said the group had been approached by Canberra Cavalry in 2013, by a representative who had worked with their organisation overseas and knew about their sponsorship.
"He had in fact contacted the Church [of Scientology] in Canberra looking for [us] who passed on the message," he said.
"We were invited to sponsor a game and promote the important message of human rights from the United Nations."
Youth for Human Rights has previously been banned from handing out materials to year 6 students in NSW and Victoria by the state governments, who ordered principals not to distribute the DVDs and booklets being provided to schools.