The Alabama Republican Party on Sunday will consider a challenge to the presidential candidacy of former Massachusetts Gov. Bill Weld in the state GOP primary in March.

Chris Brown, a member of the State Republican Executive Committee from Jefferson County and a founding member of the Republican consulting firm Red State Strategies, filed the challenge because Weld ran as the Libertarian Party’s nominee for vice president in 2016.

“I get tired of candidates willy-nilly switching parties back and forth at their own convenience,” Brown said.

Brown contends that Weld does not meet a requirement on the party’s candidate qualifying form that says, “I am a Republican and I endorse and will actively support the principles and policies of the Republican Party.”

The Republican Party’s candidate committee will hear Brown’s challenge and the Weld campaign’s response at the state GOP headquarters in Birmingham on Sunday evening. It will decide then whether Weld will stay on the ballot.

Matthew Sanderson, an attorney for the Weld campaign, said in a letter to Alabama Republican Party Chief of Staff Harold Sachs that the challenge is “absurd” and that Weld has a longer track record in the party than any other candidate competing for the presidential nomination.

Weld was elected governor of Massachusetts as a Republican in 1990 and re-elected in 1994. This year, Weld has qualified for the Republican primary ballot in Arkansas, California, Florida, Michigan, New Hampshire, and Utah, Sanderson wrote.

“Governor Weld will vigorously defend his right to appear as an option on the ballot and the right of each Republican to vote their conscience,” Sanderson wrote.

Weld is one of two challengers to President Donald Trump who paid the $15,000 qualifying fee to run in Alabama’s Republican primary. Brown also challenged the candidacy of the other -- Roque “Rocky” De La Fuente of San Diego.

De La Fuente has run in multiple races as a Democrat, Republican, and independent, according to the Washington Post.

The qualifying deadline for candidates was Nov. 8.

The Alabama Republican and Democratic parties must certify their list of candidates for the March 3 primary to the secretary of state’s office by Dec. 12.