Adherence to Google's policies and guidelines is essential to avoid campaign disruptions or penalties. To ensure compliance, regularly review Google Ads' policies and stay updated on any changes. Make sure your ad copy, landing pages, and targeting methods comply with the rules. It's also a good practice to utilise Google's ad approval tools and get your ads pre-approved if you have any doubts about their compliance. Additionally, attending Google Ads training or working with experienced PPC professionals can be helpful in maintaining compliance.