Rangers and Motherwell had previously been issued with suspended sentences, which are now triggered.

The sanctions apply to Rangers' trip to face Hibs on 1 February and Motherwell going to Dundee on 4 February and both clubs must pay the cost of the 50 missing tickets to the home clubs.

The governing body examined five recent top-flight games involving "large-scale, organised and illegal pyrotechnics displays" from travelling fans.

• Motherwell v Hibernian - 25 Nov

• Falkirk v Motherwell - 3 Dec

• Dundee v Aberdeen - 6 Dec

• Kilmarnock v Rangers - 6 Dec

• Rangers v Motherwell - 27 Dec

The SPFL disciplinary proceedings found Motherwell supporters had activated "around 20 devices" in each display.

A child was injured as a result of the Rangers display at Rugby Park.

Hibs supporters "threw devices towards players and staff of the home club" at Fir Park.

The actions of some Aberdeen fans led to damage to the Dens Park pitch and caused a burn injury to a child and respiratory issues for another person.

"These incidents caused a health and...