(1)强制支付
行为人在受到强制、胁迫或法律执行力约束时的非自愿支付行为。
(→involuntary payment)

(2)法定债务的支付
如纳税、支付赡养费等。

(3)强制偿付债务
如通过扣押债务人财产。

• rule of capture
• rule of completeness
• rule of conjectural choice
• rule of course
• rule of court
• rule of decision
• rule of descent
• rule of destructability of contingent remainders
• rule of ejusdem generis
• rule of four
• Rule of Hadley v. Baxendale
• rule of inconvenience
• rule of inference on inference
• rule of intendment
• rule of justice
• rule of law
• rule of lenity
• rule of marshaling assets
• rule of marshaling liens
• rule of marshaling remedies
• rule of merger
• rule of necessity
• rule of optional completeness
• rule of presumption
• rule of property