• Date
• Interpretation No.

• 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

• Date
  1988-11-04
• Interpretation No.
  No.232

• Date
  1988-10-07
• Interpretation No.
  No.231

• Date
  1988-08-05
• Interpretation No.
  No.230

• Date
  1988-07-29
• Interpretation No.
  No.229

• Date
  1988-06-17
• Interpretation No.
  No.228

• Date
  1988-06-17
• Interpretation No.
  No.227

• Date
  1988-05-20
• Interpretation No.
  No.226

• Date
  1988-04-29
• Interpretation No.
  No.225

• Date
  1988-04-22
• Interpretation No.
  No.224

• Date
  1988-03-25
• Interpretation No.
  No.223

• Date
  1988-02-12
• Interpretation No.
  No.222

• Date
  1988-01-27
• Interpretation No.
  No.221

• Date
  1987-12-23
• Interpretation No.
  No.220