• Date
• Interpretation No.

• Date
  1990-02-16
• Interpretation No.
  No.252

• Date
  1990-01-19
• Interpretation No.
  No.251

• Date
  1990-01-05
• Interpretation No.
  No.250

• Date
  1989-11-24
• Interpretation No.
  No.249

• Date
  1989-11-24
• Interpretation No.
  No.248

• Date
  1989-10-27
• Interpretation No.
  No.247

• Date
  1989-09-29
• Interpretation No.
  No.246

• Date
  1989-08-28
• Interpretation No.
  No.245

• Date
  1989-07-26
• Interpretation No.
  No.244

• Date
  1989-07-19
• Interpretation No.
  No.243

• Date
  1989-06-23
• Interpretation No.
  No.242

• Date
  1989-05-26
• Interpretation No.
  No.241

• Date
  1989-05-12
• Interpretation No.
  No.240

• Date
  1989-05-12
• Interpretation No.
  No.239

• Date
  1989-03-31
• Interpretation No.
  No.238

• Date
  1989-03-17
• Interpretation No.
  No.237

• Date
  1989-03-17
• Interpretation No.
  No.236

• Date
  1989-03-17
• Interpretation No.
  No.235

• Date
  1989-03-03
• Interpretation No.
  No.234

• Date
  1988-12-09
• Interpretation No.
  No.233