In 2017, he was elected as the Coordinating President for the Alumni Corps of the Muslim Students' Association.[2] In 2022, he was elected as president of the Alumni Corps' entrepreneurs' association.[3]
Kamrussamad ran again as a DPR member in the 2019 election, this time from Jakarta's 3rd electoral district. He won 83,562 votes, the fourth highest in the district and the highest of Gerindra candidates, winning a seat in the legislature.[8] He was sworn in as a legislator on 1 October 2019.[9] Within the council, Kamrussamad is a member of its eleventh commission on finance and banking.[10] He was reelected for a second term in the 2024 election with 70,309 votes.[11]
He has promoted carbon emission trading in Indonesia, citing potential revenues from Indonesian rainforests.[12] He has also supported a ban by the Indonesian Trade Ministry on the import of secondhand clothes.[13][14]