Robert F. Kennedy Jr.’s campaign submitted signatures Monday to the Texas Secretary of State’s office to have his name listed as a presidential candidate on the November general election ballot—as his campaign deploys an aggressive and laborious strategy to secure his place on ballots in all 50 states.

Kennedy Jr.’s campaign submitted to Texas election officials 245,572 signatures, more than twice as many as required, to secure ballot access for him and his running mate, Nicole Shanahan, his campaign said Monday.

Kennedy Jr. and Shanahan will also appear on the ballot in Utah, Michigan, California, Delaware and Oklahoma, his campaign said, adding that it’s collected enough signatures to also appear on the ballots in New Hampshire, Nevada, Hawaii, North Carolina, Idaho, Nebraska, Iowa and Ohio.

Without the backing of an official political party, Kennedy Jr. is required to petition for ballot access in most states, though he’s attempted a workaround in several states by soliciting nominations from lesser-known political parties, including the Natural Law Party of Michigan and the American Independent Party in California.