Business Letter Block Formats

Block Letter Formats
  • Block form: All text left-aligned; no paragraph indention.
  • Modified block form: Date, complimentary close, signature block start at center or right; body paragraphs left-aligned, no indention.
  • Semi-block form: Same alignment as modified block, but first line of each paragraph indented 5–75\text{–}7 spaces.
Indention Rules
  • Indention primarily differentiates semi-block from other forms.
  • Paragraph indents omitted in block and modified block formats.