Final answer:
Guild regulations were standards and rules set by medieval associations of skilled workers to control their trade, maintain high standards, and manage training. In some cases, guilds in towns with labor shortages adjusted regulations to attract apprentices while limiting advancement to family members of current masters, ensuring control over the trade.
Step-by-step explanation:
Guild regulations were the rules and standards established by guilds, which were associations of artisans and merchants who oversaw and controlled the practice of their craft in medieval towns. These guilds enforced high professional standards and managed the training of apprentices. For instance, during labor shortages, some guilds would reduce the apprenticeship duration to attract new workers, but they might also restrict advancement, only allowing sons and sons-in-law of current masters to become masters themselves.
In Florence, for example, the cloth merchant's guild, which was particularly powerful, was responsible for commissioning public works such as the second set of doors for the Florence Baptistery. This demonstrated the influence and financial capabilities of major guilds in the development of city infrastructure.