Caron's Question - Is There an Offering in the Temple?

In leviticus four 15, if the people as a whole have sinned, it says, the elders of the congregation shall lay their hands on the head of the bull before the lord. So that's where karen's question starts. But she says there was no offering in the temple, and jesus had not yet died. How is that possible? Under the assumption that blood is needed in order for the forgiveness of god from all the sins that we do that take place? Now let's clarify the question. Jesus pronounced forgiveness on his own authority without any reference to those sacrifices. He isn't pointing people to the blood shedding of the animals. The death of the animal would