There may be a new Form 1024-A coming, applicable only to 501(c)(4) organizations applying for tax exemption. On November 21, 2017, the ABA Section of Taxation submitted Comments Concerning Form 1024-A, Application for Recognition of Exemption Under Section 501(c)(4) of the Internal Revenue Code. If you read carefully — you will see a certain Rubric Legal attorney contributed to the comments!
A copy of the submission can be found here. An early release draft of the form can be found here.