In general. All bills are to be numbered in the order of their introduction. Numbering scheme.Bill numbers comprise:a 2-digit prefix, indicating the year of introduction; a 3- or 4-digit number, indicating the sequence of introduction. Resolution numbers comprise:a 2-digit prefix, indicating the year of introduction; a 3- or 4-digit number, indicating the sequence of introduction; and the letter “R”. The numbers for bills proposing Ordinances or Resolutions of the Mayor and City Council begin in each elective term of the Council with xx-001 and continue in an unbroken numerical sequence through the end of that term. The numbers for bills proposing Resolutions of the City Council begin in each elective term of the Council with xx-001R and continue in an unbroken numerical sequence through the end of that term.