SION amendment updates input-output norm for erythromycin stearate tablet exports with immediate effect; pro-rata applicability noted. Amendment to SION A-222 sets the input-output requirement for export of Erythromycin Stearate tablets: one 250 mg erythromycin-equivalent tablet requires 334 mg of Erythromycin Stearate input; norms for other strength variants may be determined on a pro-rata basis; the amendment is effective immediately.