However, Chartthaipattana has already sent its campaign policies to Phalang Pracharat secretary-general Sontirat Sontijirawong, who has been putting together policy submissions.
Nikorn said Chartthaipattana has submitted policies addressing seven urgent issues: agriculture, education, society, public health, decentralisation, tourism and urban development.
Nikorn also revealed that a representative of his party would be responsible for the Ministry of Natural Resources and Environment.
Prime Minister Prayut Chan-o-cha has already decided on the Cabinet members of the coalition government, according to Phalang Pracharat spokesman Thanakorn Wangboonkongchana.