If you answered no to all of these questions, you must make estimated tax payments using Form 1040-ES. To avoid a penalty, your total tax payments (estimated taxes plus withholding) during the year must satisfy one of the requirements we just covered.
European Union (EU) SME Definition. In the EU, a similar system is used to define Small to Medium Enterprises. A business with a headcount of fewer than 250 is classified as medium-sized; a business with a headcount of fewer than 50 is classified as small, and a business with a headcount of fewer than 10 is considered a micro-business.
ECE is an initialism with disparate meanings, including: 1  Electrical and computer engineering, a discipline that combines electrical engineering and computer science and engineering. Electronics and communication engineering, a discipline that combines electronics engineering and Computer, Information and communication technology. 2  United Nations Economic Commission for Europe, a United Nations agency promulgating automotive technical regulations based on international consensus.