• Date
• Interpretation

• Date
  1992-03-13
• Interpretation
  NO.294

• Date
  1992-02-28
• Interpretation
  NO.291

• Date
  1992-02-28
• Interpretation
  NO.292

• Date
  1992-01-24
• Interpretation
  NO.290

• Date
  1991-12-17
• Interpretation
  NO.289

• Date
  1991-12-13
• Interpretation
  NO.287

• Date
  1991-12-13
• Interpretation
  NO.288

• Date
  1991-11-29
• Interpretation
  NO.286

• Date
  1991-09-27
• Interpretation
  NO.285

• Date
  1991-09-13
• Interpretation
  NO.284

• Date
  1991-08-06
• Interpretation
  NO.283

• Date
  1991-07-12
• Interpretation
  NO.282

• Date
  1991-06-28
• Interpretation
  NO.281

• Date
  1991-06-14
• Interpretation
  NO.280

• Date
  1991-05-17
• Interpretation
  NO.278

• Date
  1991-05-17
• Interpretation
  NO.279

• Date
  1991-03-22
• Interpretation
  NO.277

• Date
  1991-03-08
• Interpretation
  NO.275

• Date
  1991-03-08
• Interpretation
  NO.276

• Date
  1991-02-22
• Interpretation
  NO.274