In this article, learn about how spousal maintenance is ordered, the requirements to be eligible for spousal maintenance, and other important information. Common law marriage, also known as marriage without formalities or informal marriage, is a valid and legal way for a couple to marry in Texas.Similarly, although you don't have to include a common law spouse in your will, they can claim support against the estate. Common law marriages may be eligible for spousal maintenance if they meet the legal requirements for establishing a common law marriage. Spousal support in Ontario can be agreed to in a separation agreement or be part of a court order. To apply for spousal support you will need to demonstrate at least ONE of three requirements to establish entitlement. To apply for spousal support you will need to demonstrate at least ONE of three requirements to establish entitlement. What Are the Pros and Cons of Contractual Alimony in Texas? Pros. Cons. How Does Spousal Support Work In a Common Law Marriage? Spousal support; Children; Cohabitation agreements; Engagement. Property.