A curable aminoplast acrylic polyol composition containing, calculated as solids on all the solids of the composition, (a) 50 to 85% by weight of at least one type of an acrylic polyol having a glass transition temperature Tg of from 15 to <50 C., an equivalent weight of hydroxyl groups on solids of from 330 to 420, a hydroxyl number on solids of from 120 to 180 mg KOH/g, and a number average of the molecular weight (Mn) of 1,000 to 3,000 Dalton, and (b) 15 to 50% by weight of an alkylated amino formaldehyde resin having a formaldehyde content in accordance with DIN EN ISO 11402 4.3 of less than 0.10%, and the amino compound is melamine, guanamine, benzoguanamine, urea, toluenesulfonamide and glycoluril, and the alkylated amino formaldehyde resin containing at least one type of alkyl groups having 1 to 12 carbon atoms, and (c) 0.5 to 5.0% by weight of at least one type of an acidic catalyst, together with a process of for preparation of the composition and methods of using the composition.