No
It has always been considered poor etiquette.
An appropriate message to put in a business birthday card should or must use proper business etiquette and show appreciation. A signature may also be necessary.
If you are referring to degree abbreviations indicated after your name, they are not appropriate for those with an associate or bachelor's degree. They are typically used for individuals who have a master's or doctorate degree when work related.
A class in business etiquette should be taught at all business colleges.
Klaus D. Schmidt has written: 'Doing business in Spain' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business on the Arabian Peninsula' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business in Japan' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business in the Soviet Union' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business in Taiwan' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business in Korea' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business in the United States' -- subject(s): Business etiquette, Commerce, Social life and customs 'Doing business in France' -- subject(s): Business etiquette, Commerce, Social life and customs
Business etiquette is a vital business tool and needed for successful businesses. It can be obtained online from several websites or from a business mentor.
Proper abbreviations in letters should be used when they enhance clarity and conciseness without sacrificing formality. Common abbreviations like "Mr.," "Ms.," "Dr.," and "Inc." are acceptable in business and personal correspondence. However, avoid using abbreviations that may confuse the reader or are not widely recognized. Always consider the audience and context to determine whether an abbreviation is appropriate.
Appropriate business clothes would be clothes that are considered to be business casual. Clothes that are torn, too short, and shows too much cleavage, should not be worn in a business.
It is appropriate when it is job related, business cards, formal organizational communication, etc. Still, remember the degree abbreviations are typically particular to the master's and doctorate degrees, and not the associate or bachelor's degrees.
conduct business meetings informally
It is now considered appropriate to wear any type of business or business casual clothing and shoes to a funeral. Although the custom used to be that you had to wear black, it is no longer considered to be your only option.
This is way too broad a question. Please be more specific.