Certain payment plan

• Department-store plan
• Alternative to immediate purchase
• Department-store plan, perhaps
• Payment plan
• "Buy now, pay later" option
• Buying plan with a down payment
• Purchase plan
• Purchasing plan

Longman Dictionary of Contemporary English Word definitions in Longman Dictionary of Contemporary English
noun EXAMPLES FROM CORPUS ▪ They entered the nearby Golden Nugget, ostensibly to put a rifle on layaway .