Unit groups and their descriptions

Code	Title	Major group	Sub-major group	Group	Occupations
1221	Sales and marketing managers	Managers	Administrative and commercial managers	Sales, marketing and development managers	6
1222	Advertising and public relations managers	Managers	Administrative and commercial managers	Sales, marketing and development managers	5
1223	Research and development managers	Managers	Administrative and commercial managers	Sales, marketing and development managers	8