Crossword Puzzle Kind of convention rule

Clue: Kind of convention rule

Kind of office machine (ADDING with 6 letters)
Kind of office (e.g. BOX with 3 letters)
Kind of offering (e.g. BURNT with 5 letters)
Kind of promotional ring once offered by Ovaltine (DECODER with 7 letters)
Kind of official (ELECTED with 7 letters)
Kind of public office (ELECTIVE with 8 letters)
Genre whose band name generator offers results like "Some Kind of Bleeding Feeling" (EMO with 3 letters)
Kind of offense (FEDERAL with 7 letters)
Kind of offer (e.g. FIRM with 4 letters)
Kind of rule (e.g. GAG with 3 letters)