١-به تاييد و امضاء (خود ) رساندن / اعلام موافقت يا تاييد از طريق امضا كردن محل مورد نظر ( مثلا قسمت نقطه چين) در سند مربوطه
٢- اعلام موافقت (خود)
sign on the dotted line
1. Lit. to indicate one's agreement or assent by placing one's signature on a special line provided for that purpose. (The line may be solid or dotted.)
I agreed to the contract, but I haven't signed on the dotted line yet.
When you have signed on the dotted line, please give me a call.
2. Fig. to indicate one's agreement to something.
Okay. I agree to your terms. I'll sign on the dotted line.
He is thinking favorably about going with us to Canada, but he hasn't signed on the bottom line.