For example, can one party only share the name (or even just a nickname/pseudonym/online name) and the other party has to share full legal name, address, phone number, email, etc? Or both parties have to share the equal amount of information to each other.

2 Answers 2


Freedom of contract

Parties are (within legal limits) free to contract on whatever terms they like.

For example, I just had dinner in quite a nice restaurant. I know their name, they don’t know mine.

  • @Greendrake They may not. I have a debit card which has no details printed on it. I don't think a small restaurant who accepts the card will know who I am (obviously, their merchant acquirer will). Also, the contract is formed long before the card is presented. Feb 3, 2023 at 11:43

No, there is no need for each party to have the same amount of information about each other, subject to the limit of mistake as to party, or identity requirements imposed for special categories of contracts.

For example, it is well-accepted that buying food at a restaurant (or any goods, from any shop) is a contract of sale: Gee v. White Spot Ltd. (1986) 32 DLR (4th) 238 (B.C.S.C):

Counsel for the plaintiffs is, in my opinion, right when he submits that, when persons go into a restaurant and order food, they are making a contract of sale in exactly the same way as they are making a contract of sale when they go into a shop and order any other goods. ... the person who orders the food in a hotel or restaurant prima facie makes himself or herself liable to pay for it

The customer knows much more about the restaurant than the seller knows about the customer.

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