Activist Srisuwan Janya on Monday asked the Election Commission to look into the assets of Future Forward Party MP Pannika Wanich, who made a large donation to her party despite reporting only modest assets to the National Anti-Corruption Commission.
The secretary-general of the self-proclaimed Association for the Protection of the Thai Constitution said he had suspicions about the source of the one million baht donation, given her asset declaration to the anti-graft agency.
Ms Pannika in August reported having about 91,000 baht in cash across four bank accounts to the NACC. In total, she reported having 3.3-million baht worth of assets, which included jewellery, two cars and a sum of 864,000 baht she had set aside for investment.
On Sunday, the activist urged her to clarify the source of her donation and end speculation the money may have been illegally obtained or was "given by another donor to divide his donations and avoid violating the law". Ms Pannika, who is the party spokeswoman, has not replied.
Mr Srisuwan also registered a complaint asking the EC to look into the donations made by Thanathorn Juangroongruangkit and his wife, Rawiphan. The FFP leader donated 10 million baht to his party and his wife contributed 7.2 million baht.
The activist asked poll agency to rule whether the couple are considered one individual under the law. If so, they would be in violation of the Political Party Act, which caps donations by an individual to a party at 10 million baht, he said.