Task: songer_const1

What follows is an opinion from a United States Court of Appeals.
Your task is to identify the most frequently cited provision of the U.S. Constitution in the headnotes to this case. Answer "0" if no constitutional provisions are cited. If one or more are cited, code the article or amendment to the constitution which is mentioned in the greatest number of headnotes. In case of a tie, code the first mentioned provision of those that are tied. If it is one of the original articles of the constitution, code the number of the article preceeded by two zeros. If it is an amendment to the constitution, code the number of the amendment (zero filled to two places) preceeded by a "1". Examples: 001 = Article 1 of the original constitution, 101 = 1st Amendment, 114 = 14th Amendment.

PER CURIAM.
This court is unable to say that the Supreme Court of Puerto Rico was clearly wrong in ruling and holding that the machine described in plaintiff’s complaint was a tractor and taxable as such under -the provisions of section 16, par. 8, of the Internal Revenue Law of Puerto Rico 1925, No. 85, as amended by Act No. 83, § 16, par. 8, of 1931.
In this situation the plaintiff cannot recover the additional tax which it paid under protest, and the judgment of the court below will be affirmed.
The judgment of the Supreme Court of Puerto Rico is affirmed, with costs to the appellee in this court.

Question: What is the most frequently cited provision of the U.S. Constitution in the headnotes to this case? If it is one of the original articles of the constitution, code the number of the article preceeded by two zeros. If it is an amendment to the constitution, code the number of the amendment (zero filled to two places) preceeded by a "1". Examples: 001 = Article 1 of the original constitution, 101 = 1st Amendment, 114 = 14th Amendment.
Answer:

Answer: 0