Hanafi
The sources give no view for it here.
اشتراط الاستعلاء في الأمر
هل يُشترط الاستعلاء في الأمر احترازًا عن الدعاء والالتماس؟
Each school’s answer
In our wordsHanafi
Not stated in the sources
Maliki
Not stated in the sources
Shafi'i
Not stated in the sources
Hanbali
Not stated in the sources
The texts
الْحُكْمُ الإِْجْمَالِيُّ: ٣ - يَرَى جُمْهُورُ الأُْصُولِيِّينَ أَنَّ الاِسْتِعْلاَءَ شَرْطٌ فِي الأَْمْرِ، وَذَلِكَ احْتِرَازًا عَنِ الدُّعَاءِ وَالاِلْتِمَاسِ. (٢)
«الموسوعة الفقهية الكويتية» (Kuwait) entry «استعلاء» vol. 4 p. 20
From the schools’ own books
Maliki
The sources give no view for it here.
Shafi'i
The sources give no view for it here.
Hanbali
The sources give no view for it here.
What is «in our words» is our standard wording; the books’ texts stay as they are.