Teacher:In this task, you are given text for US Congressional and California state bills, your task is to generate a summary for this bill.
Teacher: Now, understand the problem? Solve this instance: SECTION 1. SHADOW MASK STEEL.

Chapter 72 of the Harmonized Tariff Schedule of the United States
is amended as follows:
(1) Such chapter is amended by striking subheading
7209.18.25 and inserting the following new subheadings, with
the article descriptions for such subheadings having the same
degree of indentation as the article description for subheading
7211.23.15:

'' Other:
Of a thickness
of less than
0.361mm
(blackplate):
7209.18.25 Of a kind for
use in making
aperture
masks for
cathode-ray
tube video
displays..... Free Free (E, IL, J)
Free (CA) Free
(MX) 28%
7209.18.30 Other......... 2.2% Free (E, IL, J)
0.3% (CA) 1.9%
(MX) 20%

''

(2) Such chapter is amended by striking subheading
7211.23.60 and inserting the following new subheadings, with
the article descriptions for subheadings 7211.23.60 and
7211.23.65 having the same degree of indentation as the article
description for subheading 7211.23.45:

'' Other:
7211.23.60 Of a thickness
exceeding
1.25mm........ 3.6% Free (E, IL, J)
0.2% (CA) 1.4%
(MX) 25%
7211.23.65 Of a thickness
exceeding
0.25mm but not
exceeding
1.25mm........ 3.6% Free (E, IL, J)
0.2% (CA) 1.4%
(MX) 25%
Of a thickness
not exceeding
0.25mm:
7211.23.70 Of a kind for
use in making
aperture
masks for
cathode-ray
tube video
displays..... Free Free (E, IL, J)
Free (CA) Free
(MX) 28%
7211.23.75 Other......... 3.6% Free (E, IL, J)
0.2% (CA) 1.4%
(MX) 25%

''

(3) Such chapter is amended by striking subheading
7225.50.80 and inserting the following new subheadings, with
the article descriptions for subheading 7225.50.80 having the
same degree of indentation as the article description for
subheading 7211.23.15:

'' Other:
7225.50.80 Of high-nickel
alloy steel... 2.8% Free (E, IL, J)
0.4% (CA) 2.4%
(MX) 28%
Other:
7225.50.85 Of a kind for
use in making
aperture
masks for
cathode-ray
tube video
displays..... Free Free (E, IL, J)
Free (CA) Free
(MX) 28%
7225.50.90 Other: 2.8% Free (E, IL, J) 28%
0.4% (CA) 2.4%
(MX) ''

SEC. 2. APPLICABILITY.

The amendments made by section 1 shall apply with respect to goods
entered, or withdrawn from warehouse for consumption, on or after the
15th day after the date of the enactment of this Act.
Student:
Amends the Harmonized Tariff Schedule of the United States to grant duty-free treatment of certain shadow mask steel used in making aperture masks for cathode-ray tube video displays. Decreases the column one duty on other type shadow mask steel, while setting a duty on certain other shadow mask steel.