Fundamental fashion law issues for American Apparel Startups

If you are planning to begin an apparel startup, you should have in mind that there is a set of fundamental
fashion law issues, which you must consider:

Labeling

In general, textile and apparel products sold in the United States must be labeled with the following information: the fiber content, the country of origin, the manufacturer or dealer identity, and the care instructions.
You can read the full information at U.S. Labeling Requirements for Textile, Apparel, Footwear and Travel Goods

Men's made-to-measure suit by Men's Fashion Cluster made of Dormeuil cloth with a fancy lining

Safety Testing

If you are a children's products manufacturer, you must support your certification of compliance with test results from one of the laboratories, which have been accepted as accredited to test the children's product safety rules.
Here you'll find the Complete List of CPSC-Accepted Testing Laboratories

Environmental Marketing

Nowadays, companies are offering consumers an ever-growing assortment of 'green' options. But whether your environmental claims are about the product or the packaging, you'll need competent and reliable scientific evidence to support what you say.
Here you'll find Green Guides: Guides for the Use of Environmental Marketing Claims

Importing/Exporting

There is a number of Rules of origin, Tariff Preference Levels, Quantitative Restraints, Special Regime and De Minimis, which the US government enforces talking about import in the country.
So, every apparel startup owner should check U.S. Customs & Border Protection: Textiles and Apparel Products Regulations