TCJA Permanency Act

Modifies subsection 904(b)(1) to compute taxable income of an estate or trust without any deduction under section 642(b).

Amends subsection 931(b)(1) to replace text with 'any deduction from gross income, or.'

Strikes language in paragraphs (1) and (2) and inserts 'any deduction from gross income' in each paragraph.

Amends paragraph 1212(b)(2)(B)(ii) to reference deduction under section 642(b) for estates or trusts.

Strikes reference to 'section 152(f)(1)(C)' and inserts 'section 7706(f)(1)(C)'.

Strikes paragraph (7) from section 1402(a).

Replaces 'section 152(f)(2)' with 'section 7706(f)(2)' in section 2032A(c)(7)(D).

Multiple amendments to section 3402: replaces wording to reference 'who is a dependent of another taxpayer' and removes language in various provisions (including 3402(f)(1)(A), 3402(m)(1), 3402(m)(3), 3402(r)(2)), and adjusts withholding computations to refer to basic standard deduction for certain individuals.

Replaces references to 'section 152' with 'section 7706' and adjusts the method of counting individuals for certain provisions in 5000A(b)(3)(A) and 5000A(c)(4)(A).

Amends 6013(b)(3)(A) clauses to alter gross income language (striking/inserting 'had no gross income' and 'had any gross income') and removes flush language following clause (iii).